再然后，硅胶(jiao)(jiao)(jiao)(jiao)高温电(dian)线(xian)的生(sheng)产(chan)(chan)需(xu)(xu)(xu)(xu)要(yao)(yao)进行(xing)(xing)质(zhi)量(liang)(liang)(liang)检(jian)(jian)测(ce)(ce)。质(zhi)量(liang)(liang)(liang)检(jian)(jian)测(ce)(ce)包括(kuo)外观检(jian)(jian)查、电(dian)性(xing)能测(ce)(ce)试、机械性(xing)能测(ce)(ce)试等(deng)多个方面(mian)，以(yi)确保硅胶(jiao)(jiao)(jiao)(jiao)高温电(dian)线(xian)的质(zhi)量(liang)(liang)(liang)符合国(guo)家标准和(he)(he)(he)客户要(yao)(yao)求。总(zong)之，硅胶(jiao)(jiao)(jiao)(jiao)高温电(dian)线(xian)的生(sheng)产(chan)(chan)需(xu)(xu)(xu)(xu)要(yao)(yao)经过多个工艺步骤，包括(kuo)硅橡胶(jiao)(jiao)(jiao)(jiao)生(sheng)产(chan)(chan)、铜线(xian)生(sheng)产(chan)(chan)、组合生(sheng)产(chan)(chan)和(he)(he)(he)质(zhi)量(liang)(liang)(liang)检(jian)(jian)测(ce)(ce)等(deng)。只有通过严格的生(sheng)产(chan)(chan)工艺和(he)(he)(he)质(zhi)量(liang)(liang)(liang)检(jian)(jian)测(ce)(ce)，才能生(sheng)产(chan)(chan)出质(zhi)优的硅胶(jiao)(jiao)(jiao)(jiao)高温电(dian)线(xian)，为各(ge)行(xing)(xing)各(ge)业提(ti)供(gong)(gong)可(ke)靠的电(dian)力(li)传输(shu)和(he)(he)(he)控制保障。随着现代(dai)工业的不断发展，硅胶(jiao)(jiao)(jiao)(jiao)高温电(dian)线(xian)的应(ying)用前景(jing)将(jiang)会越来(lai)越广阔。在浙江(jiang)市(shi)场(chang)上，要(yao)(yao)成(cheng)为上游的硅胶(jiao)(jiao)(jiao)(jiao)高温电(dian)线(xian)供(gong)(gong)应(ying)商，需(xu)(xu)(xu)(xu)要(yao)(yao)克服以(yi)下挑战(zhan)：首(shou)先，需(xu)(xu)(xu)(xu)要(yao)(yao)不断提(ti)高产(chan)(chan)品质(zhi)量(liang)(liang)(liang)和(he)(he)(he)技术(shu)水(shui)平，以(yi)满足不断变化(hua)的市(shi)场(chang)需(xu)(xu)(xu)(xu)求；其次，需(xu)(xu)(xu)(xu)要(yao)(yao)加(jia)强(qiang)品牌营销(xiao)和(he)(he)(he)市(shi)场(chang)推广，提(ti)升企业名气和(he)(he)(he)影(ying)响力(li)；同时，需(xu)(xu)(xu)(xu)要(yao)(yao)加(jia)强(qiang)与客户的沟通和(he)(he)(he)合作，深入了解(jie)客户需(xu)(xu)(xu)(xu)求并提(ti)供(gong)(gong)个性(xing)化(hua)解(jie)决方案(an)；再然后，需(xu)(xu)(xu)(xu)要(yao)(yao)加(jia)强(qiang)生(sheng)产(chan)(chan)成(cheng)本控制和(he)(he)(he)供(gong)(gong)应(ying)链管理，提(ti)高企业的盈利能力(li)。硅胶(jiao)(jiao)(jiao)(jiao)高温电(dian)线(xian)的优势有哪(na)些？山东汽车硅胶(jiao)(jiao)(jiao)(jiao)高温电(dian)线(xian)公(gong)司(si)

除了与(yu)导体(ti)的(de)(de)粗细规(gui)(gui)格(ge)(ge)(ge)有(you)关(guan)(guan)之外，另一(yi)(yi)(yi)(yi)个因(yin)素也(ye)与(yu)硅(gui)(gui)(gui)胶(jiao)(jiao)的(de)(de)硬度(du)有(you)影响，比如我们的(de)(de)45A的(de)(de)硅(gui)(gui)(gui)胶(jiao)(jiao)比60A的(de)(de)硅(gui)(gui)(gui)胶(jiao)(jiao)相(xiang)对柔(rou)软(ruan)一(yi)(yi)(yi)(yi)点，但是45A的(de)(de)硅(gui)(gui)(gui)胶(jiao)(jiao)做出来产(chan)(chan)品在(zai)生(sheng)产(chan)(chan)加工(gong)时难(nan)度(du)会(hui)(hui)相(xiang)应的(de)(de)增加。硅(gui)(gui)(gui)胶(jiao)(jiao)线(xian)可以(yi)(yi)理解为一(yi)(yi)(yi)(yi)款特(te)(te)软(ruan)线(xian)，但是不(bu)能(neng)等同于一(yi)(yi)(yi)(yi)个概念，不(bu)能(neng)混为一(yi)(yi)(yi)(yi)谈的(de)(de)，因(yin)为市(shi)场中(zhong)还(hai)有(you)其他的(de)(de)产(chan)(chan)品会(hui)(hui)比较柔(rou)软(ruan)，在(zai)导体(ti)和结构相(xiang)同的(de)(de)情况(kuang)下(xia)，橡胶(jiao)(jiao)线(xian)也(ye)可以(yi)(yi)做到很柔(rou)软(ruan)的(de)(de)。特(te)(te)软(ruan)线(xian)可以(yi)(yi)包括(kuo)硅(gui)(gui)(gui)胶(jiao)(jiao)线(xian)在(zai)内，但硅(gui)(gui)(gui)胶(jiao)(jiao)线(xian)不(bu)一(yi)(yi)(yi)(yi)定(ding)就会(hui)(hui)很软(ruan)，这与(yu)产(chan)(chan)品的(de)(de)结构和导体(ti)的(de)(de)大小(xiao)息(xi)息(xi)相(xiang)关(guan)(guan)的(de)(de)。当然一(yi)(yi)(yi)(yi)般而言，同样的(de)(de)规(gui)(gui)格(ge)(ge)(ge)结构，硅(gui)(gui)(gui)胶(jiao)(jiao)线(xian)都(dou)相(xiang)对柔(rou)软(ruan)。硅(gui)(gui)(gui)胶(jiao)(jiao)线(xian)和特(te)(te)软(ruan)线(xian)是两(liang)个不(bu)等同的(de)(de)概念，不(bu)有(you)一(yi)(yi)(yi)(yi)片(pian)面地归(gui)类(lei)为同一(yi)(yi)(yi)(yi)产(chan)(chan)品。采(cai)购前中(zhong)需(xu)要明确好产(chan)(chan)品的(de)(de)具体(ti)规(gui)(gui)格(ge)(ge)(ge)、属性(xing)才能(neng)保(bao)证采(cai)购到合适(shi)的(de)(de)线(xian)材产(chan)(chan)品。辽宁(ning)美标硅(gui)(gui)(gui)胶(jiao)(jiao)高温电线(xian)厂家硅(gui)(gui)(gui)胶(jiao)(jiao)电线(xian)企业竞争格(ge)(ge)(ge)局分(fen)析。

耐高温电(dian)(dian)(dian)线(xian)故(gu)(gu)(gu)(gu)障(zhang)(zhang)(zhang)(zhang)点的(de)(de)(de)三种(zhong)(zhong)实用(yong)(yong)测(ce)(ce)(ce)(ce)定(ding)方法(fa)(fa)(fa)(fa)，1、电(dian)(dian)(dian)桥(qiao)(qiao)法(fa)(fa)(fa)(fa)，主要包括传统的(de)(de)(de)直(zhi)流电(dian)(dian)(dian)桥(qiao)(qiao)法(fa)(fa)(fa)(fa)、压(ya)降比较法(fa)(fa)(fa)(fa)和(he)直(zhi)流电(dian)(dian)(dian)阻(zu)(zu)法(fa)(fa)(fa)(fa)等几种(zhong)(zhong)方法(fa)(fa)(fa)(fa)。它是通过(guo)测(ce)(ce)(ce)(ce)量(liang)(liang)故(gu)(gu)(gu)(gu)障(zhang)(zhang)(zhang)(zhang)电(dian)(dian)(dian)缆从测(ce)(ce)(ce)(ce)量(liang)(liang)端到故(gu)(gu)(gu)(gu)障(zhang)(zhang)(zhang)(zhang)点的(de)(de)(de)线(xian)路电(dian)(dian)(dian)阻(zu)(zu)，然后依据电(dian)(dian)(dian)阻(zu)(zu)率计算出故(gu)(gu)(gu)(gu)障(zhang)(zhang)(zhang)(zhang)距(ju)(ju)离；或者是测(ce)(ce)(ce)(ce)量(liang)(liang)出电(dian)(dian)(dian)缆故(gu)(gu)(gu)(gu)障(zhang)(zhang)(zhang)(zhang)与全(quan)段长(zhang)的(de)(de)(de)电(dian)(dian)(dian)压(ya)降的(de)(de)(de)比值(zhi)(zhi)，再和(he)全(quan)场相乘(cheng)计算出故(gu)(gu)(gu)(gu)障(zhang)(zhang)(zhang)(zhang)距(ju)(ju)离的(de)(de)(de)一种(zhong)(zhong)方法(fa)(fa)(fa)(fa)。2、回路电(dian)(dian)(dian)桥(qiao)(qiao)平(ping)衡(heng)法(fa)(fa)(fa)(fa)，是使用(yong)(yong)直(zhi)流电(dian)(dian)(dian)桥(qiao)(qiao)对电(dian)(dian)(dian)缆故(gu)(gu)(gu)(gu)障(zhang)(zhang)(zhang)(zhang)进(jin)行测(ce)(ce)(ce)(ce)距(ju)(ju)的(de)(de)(de)一种(zhong)(zhong)方法(fa)(fa)(fa)(fa)，简(jian)称(cheng)电(dian)(dian)(dian)桥(qiao)(qiao)法(fa)(fa)(fa)(fa)，现场人(ren)员有把Ｒf＜100kΩ的(de)(de)(de)故(gu)(gu)(gu)(gu)障(zhang)(zhang)(zhang)(zhang)称(cheng)为低(di)阻(zu)(zu)故(gu)(gu)(gu)(gu)障(zhang)(zhang)(zhang)(zhang)的(de)(de)(de)习(xi)惯，主要是因为传统的(de)(de)(de)电(dian)(dian)(dian)桥(qiao)(qiao)法(fa)(fa)(fa)(fa)可以测(ce)(ce)(ce)(ce)量(liang)(liang)这类故(gu)(gu)(gu)(gu)障(zhang)(zhang)(zhang)(zhang)。电(dian)(dian)(dian)桥(qiao)(qiao)法(fa)(fa)(fa)(fa)对于短距(ju)(ju)离电(dian)(dian)(dian)缆故(gu)(gu)(gu)(gu)障(zhang)(zhang)(zhang)(zhang)的(de)(de)(de)测(ce)(ce)(ce)(ce)距(ju)(ju)，准(zhun)确(que)度相当高。基(ji)于电(dian)(dian)(dian)缆沿线(xian)均匀，电(dian)(dian)(dian)缆长(zhang)度与缆芯电(dian)(dian)(dian)阻(zu)(zu)成正比，并(bing)根(gen)据惠斯登电(dian)(dian)(dian)桥(qiao)(qiao)的(de)(de)(de)原理，将电(dian)(dian)(dian)缆短路接(jie)地(di)、故(gu)(gu)(gu)(gu)障(zhang)(zhang)(zhang)(zhang)点两(liang)侧的(de)(de)(de)环线(xian)电(dian)(dian)(dian)阻(zu)(zu)引入(ru)直(zhi)流电(dian)(dian)(dian)桥(qiao)(qiao)，测(ce)(ce)(ce)(ce)量(liang)(liang)其比值(zhi)(zhi)。由测(ce)(ce)(ce)(ce)得(de)的(de)(de)(de)比值(zhi)(zhi)和(he)电(dian)(dian)(dian)缆全(quan)长(zhang)，可获得(de)测(ce)(ce)(ce)(ce)量(liang)(liang)端到故(gu)(gu)(gu)(gu)障(zhang)(zhang)(zhang)(zhang)点的(de)(de)(de)距(ju)(ju)离。3、脉冲电(dian)(dian)(dian)流法(fa)(fa)(fa)(fa)，脉冲电(dian)(dian)(dian)流法(fa)(fa)(fa)(fa)主要是采用(yong)(yong)线(xian)性电(dian)(dian)(dian)流耦合器采集(ji)电(dian)(dian)(dian)缆中的(de)(de)(de)电(dian)(dian)(dian)流行波(bo)信号，将电(dian)(dian)(dian)缆故(gu)(gu)(gu)(gu)障(zhang)(zhang)(zhang)(zhang)点用(yong)(yong)高电(dian)(dian)(dian)压(ya)击穿(chuan)，使用(yong)(yong)电(dian)(dian)(dian)缆故(gu)(gu)(gu)(gu)障(zhang)(zhang)(zhang)(zhang)测(ce)(ce)(ce)(ce)试仪采集(ji)并(bing)记录(lu)下故(gu)(gu)(gu)(gu)障(zhang)(zhang)(zhang)(zhang)点击穿(chuan)产生的(de)(de)(de)电(dian)(dian)(dian)流行波(bo)信号，通过(guo)分析判断电(dian)(dian)(dian)流行波(bo)信号在测(ce)(ce)(ce)(ce)量(liang)(liang)端与故(gu)(gu)(gu)(gu)障(zhang)(zhang)(zhang)(zhang)点往(wang)返一次所(suo)需时间来计算故(gu)(gu)(gu)(gu)障(zhang)(zhang)(zhang)(zhang)距(ju)(ju)离。

在选择新能源硅(gui)胶(jiao)线(xian)的(de)时(shi)候(hou)，应(ying)(ying)该从(cong)以下几(ji)个(ge)方面(mian)来参(can)考：当耐(nai)(nai)(nai)火(huo)(huo)(huo)硅(gui)胶(jiao)线(xian)用于(yu)电(dian)缆(lan)(lan)密集的(de)电(dian)缆(lan)(lan)隧道、电(dian)缆(lan)(lan)夹层(ceng)中(zhong)，或位于(yu)油管、燃场所时(shi)，应(ying)(ying)首先选用A类耐(nai)(nai)(nai)火(huo)(huo)(huo)电(dian)缆(lan)(lan)。除上(shang)述情况外且(qie)电(dian)缆(lan)(lan)配(pei)置数量(liang)少时(shi)，油库附近(jin)等易可(ke)夹用B类耐(nai)(nai)(nai)火(huo)(huo)(huo)电(dian)缆(lan)(lan)。耐(nai)(nai)(nai)火(huo)(huo)(huo)硅(gui)胶(jiao)线(xian)大多用作(zuo)应(ying)(ying)急电(dian)源的(de)供(gong)电(dian)回(hui)路(lu)，要(yao)求火(huo)(huo)(huo)灾时(shi)正常(chang)工作(zuo)。由于(yu)火(huo)(huo)(huo)灾时(shi)环(huan)境温(wen)度急剧上(shang)升，为保证(zheng)线(xian)路(lu)的(de)输(shu)送容量(liang)，降低压降，对于(yu)供(gong)电(dian)线(xian)路(lu)较长且(qie)严格限定允许电(dian)压降的(de)回(hui)路(lu)，应(ying)(ying)将(jiang)耐(nai)(nai)(nai)火(huo)(huo)(huo)电(dian)缆(lan)(lan)截面(mian)至少放大一档。耐(nai)(nai)(nai)火(huo)(huo)(huo)电(dian)缆(lan)(lan)不能当作(zuo)耐(nai)(nai)(nai)高(gao)温(wen)电(dian)缆(lan)(lan)使用。为降低电(dian)缆(lan)(lan)接(jie)头(tou)在火(huo)(huo)(huo)灾事故中(zhong)的(de)故障(zhang)几(ji)率，在安装中(zhong)应(ying)(ying)尽量(liang)减少接(jie)头(tou)数量(liang)，以保证(zheng)线(xian)路(lu)在火(huo)(huo)(huo)灾中(zhong)能正常(chang)工作(zuo)。如果需要(yao)做分支接(jie)线(xian)，应(ying)(ying)对接(jie)头(tou)做好防火(huo)(huo)(huo)处理。在家庭中(zhong)，硅(gui)胶(jiao)高(gao)温(wen)电(dian)线(xian)还可(ke)以用于(yu)电(dian)动工具的(de)电(dian)源线(xian)，如电(dian)钻、电(dian)锤等。

硅(gui)胶(jiao)(jiao)高(gao)(gao)温(wen)(wen)(wen)(wen)电(dian)(dian)(dian)线(xian)(xian)(xian)(xian)(xian)是(shi)一种由硅(gui)胶(jiao)(jiao)和(he)铜(tong)线(xian)(xian)(xian)(xian)(xian)制(zhi)成的(de)电(dian)(dian)(dian)线(xian)(xian)(xian)(xian)(xian)，具(ju)有耐高(gao)(gao)温(wen)(wen)(wen)(wen)、耐腐蚀、阻燃等(deng)特(te)点，普遍(bian)应(ying)用(yong)在工业(ye)(ye)、建筑、交(jiao)通等(deng)领域。随(sui)着浙江(jiang)(jiang)地区的(de)经济发展和(he)产业(ye)(ye)升级(ji)，对硅(gui)胶(jiao)(jiao)高(gao)(gao)温(wen)(wen)(wen)(wen)电(dian)(dian)(dian)线(xian)(xian)(xian)(xian)(xian)的(de)需求不(bu)断增(zeng)长(zhang)。本(ben)文将详细分析浙江(jiang)(jiang)市(shi)场对硅(gui)胶(jiao)(jiao)高(gao)(gao)温(wen)(wen)(wen)(wen)电(dian)(dian)(dian)线(xian)(xian)(xian)(xian)(xian)的(de)需求、市(shi)场现状、技术发展、竞(jing)争格局(ju)等(deng)方面(mian)(mian)，并探(tan)讨未(wei)来的(de)发展趋势(shi)和(he)挑战。随(sui)着浙江(jiang)(jiang)地区工业(ye)(ye)、建筑、交(jiao)通等(deng)行业(ye)(ye)的(de)快(kuai)速(su)发展，对硅(gui)胶(jiao)(jiao)高(gao)(gao)温(wen)(wen)(wen)(wen)电(dian)(dian)(dian)线(xian)(xian)(xian)(xian)(xian)的(de)需求不(bu)断增(zeng)加。特(te)别是(shi)在新能源、汽(qi)车(che)、化工等(deng)行业(ye)(ye)，硅(gui)胶(jiao)(jiao)高(gao)(gao)温(wen)(wen)(wen)(wen)电(dian)(dian)(dian)线(xian)(xian)(xian)(xian)(xian)已(yi)经成为(wei)重要的(de)配套(tao)产品。浙江(jiang)(jiang)市(shi)场上(shang)的(de)硅(gui)胶(jiao)(jiao)高(gao)(gao)温(wen)(wen)(wen)(wen)电(dian)(dian)(dian)线(xian)(xian)(xian)(xian)(xian)供(gong)应(ying)商(shang)较多(duo)，主要包(bao)括本(ben)土企业(ye)(ye)和(he)少数国内有名气的(de)企业(ye)(ye)。这些供(gong)应(ying)商(shang)在产品质量、价(jia)格、服(fu)务等(deng)方面(mian)(mian)存在一定的(de)差(cha)异。浙江(jiang)(jiang)市(shi)场上(shang)硅(gui)胶(jiao)(jiao)高(gao)(gao)温(wen)(wen)(wen)(wen)电(dian)(dian)(dian)线(xian)(xian)(xian)(xian)(xian)的(de)价(jia)格主要受原材(cai)料、制(zhi)作工艺(yi)、品牌(pai)等(deng)因素影响。硅(gui)胶(jiao)(jiao)电(dian)(dian)(dian)线(xian)(xian)(xian)(xian)(xian)电(dian)(dian)(dian)缆的(de)安装与施(shi)工。江(jiang)(jiang)苏美标硅(gui)胶(jiao)(jiao)高(gao)(gao)温(wen)(wen)(wen)(wen)电(dian)(dian)(dian)线(xian)(xian)(xian)(xian)(xian)供(gong)应(ying)商(shang)

硅(gui)胶高温(wen)电线的使(shi)用(yong)寿命(ming)长。山东汽车硅(gui)胶高温(wen)电线公司

硅(gui)(gui)(gui)(gui)橡(xiang)胶(jiao)(jiao)和(he)(he)(he)硅(gui)(gui)(gui)(gui)胶(jiao)(jiao)的(de)(de)(de)区别(bie)是(shi)什么，硅(gui)(gui)(gui)(gui)橡(xiang)胶(jiao)(jiao)是(shi)属于(yu)硅(gui)(gui)(gui)(gui)胶(jiao)(jiao)中(zhong)的(de)(de)(de)有(you)机(ji)硅(gui)(gui)(gui)(gui)胶(jiao)(jiao)，不(bu)过和(he)(he)(he)传说中(zhong)的(de)(de)(de)硅(gui)(gui)(gui)(gui)胶(jiao)(jiao)并不(bu)完全一(yi)样，他们之(zhi)间的(de)(de)(de)区别(bie)主(zhu)(zhu)要有(you)：性(xing)质(zhi)不(bu)同，硅(gui)(gui)(gui)(gui)橡(xiang)胶(jiao)(jiao)的(de)(de)(de)主(zhu)(zhu)链由(you)硅(gui)(gui)(gui)(gui)和(he)(he)(he)氧原子交(jiao)替构成(cheng)，硅(gui)(gui)(gui)(gui)原子上通常连有(you)两个有(you)机(ji)基(ji)(ji)(ji)团的(de)(de)(de)橡(xiang)胶(jiao)(jiao)。硅(gui)(gui)(gui)(gui)胶(jiao)(jiao)是(shi)一(yi)种高(gao)活性(xing)吸(xi)附(fu)材料，属于(yu)非晶态物(wu)质(zhi)。特点不(bu)同，硅(gui)(gui)(gui)(gui)橡(xiang)胶(jiao)(jiao)耐(nai)(nai)低(di)温性(xing)能良好(hao)，一(yi)般在(zai)-55℃下(xia)仍能工作；硅(gui)(gui)(gui)(gui)橡(xiang)胶(jiao)(jiao)的(de)(de)(de)透气性(xing)好(hao)，氧气透过率在(zai)合成(cheng)聚合物(wu)中(zhong)是(shi)高(gao)的(de)(de)(de)。硅(gui)(gui)(gui)(gui)胶(jiao)(jiao)是(shi)有(you)硅(gui)(gui)(gui)(gui)酸(suan)凝胶(jiao)(jiao)SiO2-nH2O适当脱(tuo)水(shui)而成(cheng)的(de)(de)(de)颗(ke)粒大小(xiao)不(bu)同的(de)(de)(de)多(duo)(duo)孔物(wu)质(zhi)。具有(you)开(kai)放的(de)(de)(de)多(duo)(duo)孔结构，比表面很大，能吸(xi)附(fu)许多(duo)(duo)物(wu)质(zhi)，是(shi)一(yi)种很好(hao)的(de)(de)(de)干燥剂(ji)、吸(xi)附(fu)剂(ji)和(he)(he)(he)催化剂(ji)载体(ti)。构成(cheng)不(bu)同，硅(gui)(gui)(gui)(gui)橡(xiang)胶(jiao)(jiao)主(zhu)(zhu)要由(you)含甲(jia)基(ji)(ji)(ji)和(he)(he)(he)少量乙烯(xi)基(ji)(ji)(ji)的(de)(de)(de)硅(gui)(gui)(gui)(gui)氧链节组(zu)成(cheng)。苯基(ji)(ji)(ji)的(de)(de)(de)引入可(ke)提高(gao)硅(gui)(gui)(gui)(gui)橡(xiang)胶(jiao)(jiao)的(de)(de)(de)耐(nai)(nai)高(gao)、低(di)温性(xing)能，三氟丙基(ji)(ji)(ji)及氢基(ji)(ji)(ji)的(de)(de)(de)引入则可(ke)提高(gao)硅(gui)(gui)(gui)(gui)橡(xiang)胶(jiao)(jiao)的(de)(de)(de)耐(nai)(nai)温及耐(nai)(nai)油性(xing)能。硅(gui)(gui)(gui)(gui)胶(jiao)(jiao)：硅(gui)(gui)(gui)(gui)胶(jiao)(jiao)主(zhu)(zhu)要成(cheng)分是(shi)二氧化硅(gui)(gui)(gui)(gui)。山东汽车硅(gui)(gui)(gui)(gui)胶(jiao)(jiao)高(gao)温电线(xian)公司(si)

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