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class="sc_btn"><input type="submit" value="搜索" /></div> <div class="clear"></div> </form> </div>  <div class="clear"></div> </div> </div>   <div class="ly_NyNewsdetail"> <h1 class="NyNewsdetail_title">省高速公路路口檢測汽車尾氣是否合格</h1> <div class="NyNewsdetail_tips">發表時間：2019-10-22 點擊次數：1791</div> <div class="NyNewsdetail_con"> <p style="text-align: center;"><span style="font-size:20px"><strong>省高速公路路口檢測汽車尾氣是否合格 </strong></span></p><p>汽車尾氣是汽車使用時產生的廢氣，含有上百種不同的化合物，其中的污染物有固體懸浮微粒、一氧化碳、二氧化碳、碳氫化合物、氮氧化合物、鉛及硫氧化合物等。</p><p>尾氣在直接危害人體健康的同時，還會對人類生活的環境產生深遠影響。尾氣中的二氧化硫具有強烈的刺激氣味，達到一定濃度時容易導致“酸雨”的發生，造成土壤和水源酸化，影響農作物和森林的生長。</p><p>固體懸浮顆粒：固體懸浮顆粒的成分很復雜，并具有較強的吸附能力，可以吸附各種金屬粉塵、強致癌物苯并芘和病原微生物等。固體懸浮顆粒隨呼吸進入人體肺部，以碰撞、擴散、沉積等方式滯留在呼吸道的不同部位，引起呼吸系統疾病。</p><p style="text-align:center"><img src="http://5b0988e595225.cdn.sohucs.com/images/20180308/365b704c86474b4c9f6bb70ace6c7944.jpeg" style="height:auto; margin:10px auto 0px" /></p><p><span style="color:rgb(25, 25, 25); font-family:pingfang sc,arial,微軟雅黑,宋體,simsun,sans-serif; font-size:16px">當懸浮顆粒積累到臨界濃度時，便可能會激發形成惡性腫瘤。此外，懸浮顆粒物還能直接接觸皮膚和眼睛，阻塞皮膚的毛囊和汗腺，引起皮膚炎和眼睫膜炎，甚至還可能造成角膜損傷。</span></p><p>一氧化碳：一氧化碳與血液中的血紅蛋白結合的速度比氧氣快250倍。一氧化碳經呼吸道進入血液循環，與血紅蛋白親合后生成碳氧血紅蛋白，從而削弱血液向各組織輸送氧的功能，危害中樞神經系統，造成人的感覺、反應、理解、記憶力等機能障礙，重者危害血液循環系統，導致生命危險。所以，即使微量吸入一氧化碳，也可能給人造成可怕的缺氧性傷害。</p><p>氮氧化物：氮氧化物主要是指一氧化氮、二氧化氮，它們都是對人體有害的氣體，特別是對呼吸系統有危害。在二氧化氮濃度為9.4毫克/立方米的空氣中暴露10分鐘，即可造成人的呼吸系統功能失調。</p><p>碳氫化合物：目前還不清楚它對人體健康的直接危害。但當氮氧化物和碳氫化合物在太陽紫外線的作用下，會產生一種具有刺激性的淺藍色煙霧，其中包含有臭氧、醛類、硝酸脂類等多種復雜化合物。這種光化學煙霧對人體突出的危害是刺激眼睛和上呼吸道黏膜，引起眼睛紅腫和喉炎。1952年12月，倫敦發生光化學煙霧，4天中死亡人數較常年同期多4000人，45歲以上的死亡多，約為平時的3倍；1歲以下的約為平時的2倍。</p><p>鉛：鉛是有毒的重金屬元素，汽車用油大多數摻有防爆劑si yi ji qian或甲基鉛，燃燒后生成的鉛及其化合物均為有毒物質。城市大氣中的鉛60%以上來自汽車含鉛汽油的燃燒。人體中鉛含量超標可引發心血管系統疾病，并影響肝、腎等重要器官的功能及神經系統。由于鉛塵比重大，通常積聚在1米左右高度的空氣中，因此對兒童的威脅大。</p><p>尾氣在直接危害人體健康的同時，還會對人類生活的環境產生深遠影響。尾氣中的二氧化硫具有強烈的刺激氣味，達到一定濃度時容易導致“酸雨”的發生，造成土壤和水源酸化，影響農作物和森林的生長。近100年來，溫室效應已成為人類的一大禍患。冰川融化、海平面上升、厄爾尼諾現象、拉尼娜現象等都對人類的生存帶來了極為嚴峻的挑戰。而二氧化碳則是導致溫室效應的罪魁禍首。</p><p>LB-501型五組分汽車尾氣分析儀</p><p><img src="https://5b0988e595225.cdn.sohucs.com/images/20180308/d05c7d428c164c978c0ea1fbbd0ad7d6.jpeg" style="height:auto; margin:10px auto 0px" /></p><p> </p><p>LB-501型五組分汽車尾氣分析儀主要用于測量汽車排放廢氣中的HC、CO、CO2、O2及NOx氣體濃度，自動計算顯示空燃比λ，可對發動機燃燒性能及排放污染情況進行綜合檢測。</p><p>采用*技術，進口關鍵零部件組裝而成。具有高亮度數碼顯示，自動校零，自動數據線性化處理，氣路阻塞時自動報警，故障時自動診斷所在單元，打印測試之日期、時間功能，配內置打印機（或模擬輸出接口或RS－232A數字串行通信接口），可進行自由怠速和雙怠速測量，具有操作方便，測量數據準確，工作穩定可靠等特點。</p><p>技術參數：</p><p>測量范圍： HC：0～10000×10-6（ppm）vol CO:0～10×10-2(%)vol</p><p>CO2:0～20×10-2(%)vol O2: 0～25×10-2(%)vol</p><p>NOx:0～5000×10-6（ppm）volλ:0.50～3.00</p><p>COcor:0～10×10-2(%)vol</p><p>示值誤差： HC±12 ×10-6（ppm）vol(誤差)或±5%(相對誤差)</p><p>CO±0.06×10-2(%)vol (誤差)或±5%(相對誤差)</p><p>CO2 ±0.5×10-2(%)vol (誤差)或±5%(相對誤差)</p><p>O2 ±0.1 ×10-2(%)vol (誤差)或±5%(相對誤差)</p><p>NOx ±25 ×10-6（ppm）vol(誤差)或±4%(相對誤差)</p><p>重復性：重復誤差≤±2%</p><p>穩定性：自動校零，量矩漂移≤±3%</p><p>分辨率：HC：1×10-6（ppm）vol CO: 0.01×10-2(%)vol CO2: 0.1×10-2(%)vol</p><p>O2: 0.01×10-2(%)vol NOx:1×10-6（ppm）vol λ:0.01</p><p>響應時間： 95%響應不大于10秒</p><p>預熱時間： 8min（可預熱3min應急檢測）</p><p>輸出方式：數字直讀顯示，可附打印機打印氣體名稱，濃度大值，測試時間、日期等?？筛浇涌谂c計算機聯網</p><p>環境條件：溫度-5～50℃，相對濕度≤90%</p><p>電源： AC100-240V 50/60Hz 或DC12V（選加電源逆變器）消耗功率40VA</p><p>外形尺寸： 420mm(長)×310mm(寬)×170mm(高)</p><p>重量：約9kg</p><p><img src="https://5b0988e595225.cdn.sohucs.com/images/20180308/1896007d11584430ae345196a56c91.jpeg" style="height:auto; margin:10px auto 0px" /></p><p><img src="https://5b0988e595225.cdn.sohucs.com/images/20180308/30805495b5de499683b99104a32452aa.jpeg" style="height:auto; margin:10px auto 0px" /></p><h3 style="text-align:center"><strong><span style="font-size:16pt"><span style="color:#000000"><span style="font-family:宋體">NHT-6型不透光光度計</span></span></span></strong></h3><p style="margin-left:0.0000pt; margin-right:0.0000pt; text-align:center"> </p><p style="margin-left:0.0000pt; margin-right:0.0000pt; text-align:center"> </p><p style="margin-left:0.0000pt; margin-right:0.0000pt; text-align:center"><img alt="" src="http://img69.chem17.com/9/20191022/637073367373000936716.jpg" style="height:226px; width:300px" /> </p><p style="margin-left:0.0000pt; margin-right:0.0000pt; text-align:center"> </p><p><strong><span style="font-size:14pt"><span style="color:#000000"><span style="font-family:宋體">功能特點</span></span></span></strong></p><p><span style="font-size:10.5000pt"><span style="color:#000000"><span style="font-family:wingdings">Ø</span></span></span> <span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:宋體">NHT-6；取樣式（分流式）測量方式。采用“空氣氣幕”保護技術，使光學系統免遭排煙的污染。測量室恒溫控制，防止排氣中水分冷凝，影響測量結果。</span></span></span></p><p><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:wingdings">Ø </span></span></span><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:宋體">全中文交互式菜單提示。顯示不透光度和光吸收系數兩種示值，操作簡單、直觀、方便。</span></span></span></p><p><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:wingdings">Ø </span></span></span><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:宋體">控制單元與測量單元分開，既避免排煙污染顯示屏又便于測試時讀數。</span></span></span></p><p><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:wingdings">Ø </span></span></span><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:宋體">按照《</span></span></span><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:times new roman">GB3847-2005 </span></span></span><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:宋體">壓燃式發動機和裝用壓燃式發動機的車輛排氣可見污染物限值及測試方法》的規定，進行在用車和新生產車的自由加速試驗。測試操作程序化，能自動處理測量數據，顯示出每次測試的峰值。并自動判斷測試條件是否符合國家標準的有關規定，在短的時間內完成繁雜的試驗步驟。</span></span></span></p><p><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:wingdings">Ø </span></span></span><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:宋體">具有實時測試，顯示瞬時值的功能。能測量加載穩速工況下的排氣可見污染物。</span></span></span></p><p><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:wingdings">Ø </span></span></span><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:宋體">具備發動機轉速測試功能，可配置壓電式、光電式和電池式三種測量方式。本儀器的常規配置方式是壓電式，其它方式所需器件可由用戶選購。</span></span></span></p><p><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:wingdings">Ø </span></span></span><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:宋體">具備發動機機油溫度測試功能。</span></span></span></p><p><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:wingdings">Ø </span></span></span><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:宋體">大屏幕液晶顯示，可隨意調整顯示亮度。</span></span></span></p><p><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:wingdings">Ø </span></span></span><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:宋體">配備串行</span></span></span><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:times new roman">RS232</span></span></span><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:宋體">接口與外部計算機通信。</span></span></span></p><p><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:wingdings">Ø </span></span></span><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:宋體">具備時鐘日期功能和車牌號碼輸入功能。</span></span></span></p><p><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:wingdings">Ø </span></span></span><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:宋體">可保存</span></span></span><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:times new roman">500</span></span></span><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:宋體">組以上自由加速試驗數據，并可通過串行</span></span></span><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:times new roman">RS232</span></span></span><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:宋體">接口傳送至外部計算機，適用于路檢。</span></span></span></p><p><strong><span style="font-size:14pt"><span style="color:#000000"><span style="font-family:宋體">技術參數</span></span></span></strong></p><p><strong><span style="font-size:12pt"><span style="color:#000000"><span style="font-family:宋體">1、工作條件：</span></span></span></strong></p><p><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:wingdings">Ø </span></span></span><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:宋體">溫度</span></span></span><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:times new roman">：</span></span></span> <span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:times new roman">5</span></span></span><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:宋體">℃</span></span></span> <span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:宋體">～</span></span></span><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:times new roman"> 40</span></span></span><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:宋體">℃</span></span></span></p><p><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:wingdings">Ø </span></span></span><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:宋體">相對濕度</span></span></span><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:times new roman">：</span></span></span><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:宋體">不大于</span></span></span><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:times new roman">95</span></span></span><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:宋體"> %</span></span></span></p><p><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:wingdings">Ø </span></span></span><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:宋體">電源：</span></span></span><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:times new roman">187V </span></span></span><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:宋體">～ </span></span></span><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:times new roman">242V 50H</span></span></span><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:times new roman">z</span></span></span><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:宋體">±</span></span></span><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:times new roman">1H</span></span></span><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:times new roman">z</span></span></span></p><p><strong><span style="font-size:12pt"><span style="color:#000000"><span style="font-family:宋體">2、測量范圍：</span></span></span></strong></p><p><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:wingdings">Ø </span></span></span><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:宋體">不透光度（N）：0 ～ 99.9 %</span></span></span></p><p><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:wingdings">Ø </span></span></span><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:宋體">光吸收系數（k）：0 ～ 16.0 m－1</span></span></span></p><p><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:wingdings">Ø </span></span></span><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:宋體">轉速：300 ～ 9999 rpm</span></span></span></p><p><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:wingdings">Ø </span></span></span><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:宋體">油溫：-50℃～ 120℃</span></span></span></p><p><strong><span style="font-size:12pt"><span style="color:#000000"><span style="font-family:宋體">3、分辨力：</span></span></span></strong></p><p><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:wingdings">Ø </span></span></span><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:宋體">不透光度：0.1 %</span></span></span></p><p><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:wingdings">Ø </span></span></span><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:宋體">光吸收系數：0.01 m－1</span></span></span></p><p><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:wingdings">Ø </span></span></span><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:宋體">轉速：1 rpm</span></span></span></p><p><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:wingdings">Ø </span></span></span><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:宋體">油溫：1℃</span></span></span></p><p><strong><span style="font-size:12pt"><span style="color:#000000"><span style="font-family:宋體">4、示值允許誤差：</span></span></span></strong></p><p><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:wingdings">Ø </span></span></span><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:宋體">不透光度：±2.0 % （誤差）</span></span></span></p><p><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:wingdings">Ø </span></span></span><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:宋體">轉速（壓電式）：±1.0 % （相對誤差）</span></span></span></p><p><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:wingdings">Ø </span></span></span><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:宋體">油溫：±2℃ （誤差）</span></span></span></p><p><strong><span style="font-size:12pt"><span style="color:#000000"><span style="font-family:times new roman">5</span></span></span></strong><strong><span style="font-size:12pt"><span style="color:#000000"><span style="font-family:宋體">、光通道有效長度：</span></span></span></strong></p><p><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:times new roman">215mm</span></span></span><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:宋體">，光通道等效長度：</span></span></span><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:times new roman">430</span></span></span><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:times new roman">mm</span></span></span></p><p><strong><span style="font-size:12pt"><span style="color:#000000"><span style="font-family:宋體">6、預熱時間：</span></span></span></strong><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:宋體">15</span></span></span><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:times new roman"> min</span></span></span></p><p><strong><span style="font-size:12pt"><span style="color:#000000"><span style="font-family:times new roman">7</span></span></span></strong><strong><span style="font-size:12pt"><span style="color:#000000"><span style="font-family:宋體">、</span></span></span></strong> <strong><span style="font-size:12pt"><span style="color:#000000"><span style="font-family:宋體">取樣管長度： </span></span></span></strong></p><p><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:宋體">2.5</span></span></span><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:times new roman"> m</span></span></span></p><p><strong><span style="font-size:12pt"><span style="color:#000000"><span style="font-family:宋體">8、消耗功率：</span></span></span></strong></p><p><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:宋體">200W</span></span></span></p><p><strong><span style="font-size:12pt"><span style="color:#000000"><span style="font-family:times new roman">9</span></span></span></strong><strong><span style="font-size:12pt"><span style="color:#000000"><span style="font-family:宋體">、</span></span></span></strong> <strong><span style="font-size:12pt"><span style="color:#000000"><span style="font-family:宋體">外形尺寸：</span></span></span></strong></p><p><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:宋體">測量單元：</span></span></span><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:times new roman">4</span></span></span><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:宋體">1</span></span></span><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:times new roman">0</span></span></span><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:宋體">×</span></span></span><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:times new roman">215</span></span></span><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:宋體">×</span></span></span><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:times new roman">36</span></span></span><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:times new roman">0 mm</span></span></span></p><p><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:宋體">控制單元：</span></span></span><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:times new roman">370</span></span></span><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:宋體">×</span></span></span><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:times new roman">28</span></span></span><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:times new roman">0</span></span></span><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:宋體">×</span></span></span><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:times new roman">220</span></span></span><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:times new roman"> mm</span></span></span></p><p><strong><span style="font-size:12pt"><span style="color:#000000"><span style="font-family:times new roman">10</span></span></span></strong><strong><span style="font-size:12pt"><span style="color:#000000"><span style="font-family:宋體">、</span></span></span></strong> <strong><span style="font-size:12pt"><span style="color:#000000"><span style="font-family:宋體">重量：</span></span></span></strong></p><p><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:宋體">測量單元：</span></span></span><span style="font-size:12.0000pt"><span style="color:#000000"><span style="font-family:times new roman">6.5 kg </span></span></span></p><p><span style="font-size:10.5000pt"><span style="color:#000000"><span style="font-family:宋體">控制單元：</span></span></span><span style="font-size:10.5000pt"><span style="color:#000000"><span style="font-family:times new roman">5.</span></span></span><span style="font-size:10.5000pt"><span style="color:#000000"><span style="font-family:times new roman">5</span></span></span> <span style="font-size:10.5000pt"><span style="color:#000000"><span style="font-family:times new roman">kg</span></span></span> </p> </div> <div class="ly_PrevNext"> <ul> <li>上一篇：<a href="/Article-2007204.html">雙路自動大氣采樣器的各組成部分介紹</a></li> <li>下一篇：<a href="/Article-2004881.html">地級環保檢測站使用的水質采樣器有什么要求</a></li> </ul> </div> </div>   <div class="ly_foot"> <div class="ly_Ftmain"> <div class="ly_Ftcon"> <div class="ly_FtLeft"> <ul> <li> <div class="Ft_tit">關于我們</div> <a href="/aboutus.html">公司簡介</a> <a href="/successcase.html">案例展示</a> </li> <li> <div 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