电子竞技

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PVC聚氯乙烯、硅橡胶、交联聚乙烯电缆绝缘材料优缺点

  PVCJULVYIXI(YIXIAJIANCHENGPVC)JUEYUANCAILIAOSHIZAIPVCFENZHONGTIANJIAWENDINGJI、ZENGSUJI、ZURANJI、RUNHUAJIJIQITAZHUJIDEHUNHEWU。ZHENDUIDIANXIANDIANLANBUTONGYINGYONGYUBUTONGDETEXINGXUQIU,QIPEIFANGZUOXIANGYINGDEDIAOZHENG。JINGGUOJISHINIANDESHENGCHANHESHIYONG,MUQIANPVCZHIZAOJIJIAGONGJISHUYIJINGFEICHANGCHENGSHU。PVCJUEYUANCAIZHIZAIDIANXIANDIANLANLINGYUYOUZHEFEICHANGGUANGFANDEYINGYONG,BINGYOUZHEXIANZHUDEZISHENTEDIAN:

  1)ZHIZAOJISHUCHENGSHU、YICHENGXINGHEJIAGONGZHIZAO。XIANGBIQITALEIDEXIANLANJUEYUANCAILIAO,BUJINCHENGBENDILIAN,ZAIXIANCAIBIAOMIANSECHA、GUANGYADU、YINZI、JIAGONGXIAOLV、RUANYINGDU、DAOTIDEFUZHELI、XIANCAIBENSHENDEJIXIEWULIXINGNENGHEDIANXINGNENGFANGMIANJUNKEZUOYOUXIAOKONGZHI。

  2)JUYOUFEICHANGLIANGHAODEZURANXINGNENG,GUPVCJUEYUANDIANXIANJIYIDADAOGELEIBIAOZHUNGUIDINGDEZURANDENGJI。

  3)ZAINAIWENFANGMIAN,TONGGUODUICAILIAOPEIFANGYOUHUAGAIJIN

  4)ZAIEDINGDIANYAFANGMIAN,YIBANSHIYONGYUEDING1000V ACJIQIYIXIADIANYADENGJI,KEGUANGFANYINGYONGYUJIAYONGDIANQI、YIQIYIBIAO、ZHAOMING、WANGLUOTONGXUNDENGXINGYE。

  5)WUDUWUWEIDEPVCJUEYUANXIAN,HAIKEGUANGFANSHIYONGYUKONGDIAO,BINGXIANGDENGDIANQIPEIXIAN。

  PVCYEYOUYIXIEZISHENQUEDIAN,XIANZHILEQISHIYONG:

  1) YOUYUHANYOUDALIANGLVYUANSU,RANSHAOSHIHUISANFACHUDALIANGNONGYANHUIRANGRENZHIXI,YINGXIANGNENGJIANDU,BINGCHANSHENGYIXIEZHIAIWUZHIHEHClQITI,DUIHUANJINGZAOCHENGYANZHONGWEIHAI。SUIZHEDIYANWULUJUEYUANCAILIAOZHIZAOJISHUDEFAZHAN,ZHUBUQUDAIPVCJUEYUANYICHENGWEIXIANLANFAZHANDEBIRANQUSHI。MUQIANYIXIEYOUYINGXIANGLIJISHEHUIZERENGANJIAOQIANGDEQIYE,ZAIGONGSIJISHUBIAOZHUNZHONGMINGQUETICHULETIDAIPVCCAILIAODESHIJIANBIAO。

  2) PUTONGPVCJUEYUANNAISUANJIAN,NAIREYOU,NAIYOUJIRONGJIXINGNENGJIAOCHA,GENJUXIANGSIXIANGRONGDEHUAXUEYUANLI,PVCXIANCAIJIYIZAISUOSHUTEDINGHUANJINGZHONGCHUXIANPOSUNHEKAILIE。

  DANSHI,PINGJIEQIYOULIANGDEJIAGONGXINGNENGHEDILIANDECHENGBEN。 PVCXIANLANZAIJIAYONGDIANQI、ZHAOMINGDENGSHI、JIXIEZHUANGBEI、YIQIYIBIAO、WANGLUOTONGXUN、LOUYUBUXIANDENGLINGYURENGDEDAOGUANGFANDESHIYONG。

  ER 、JIAOLIANJUYIXIDIANXIANDIANLANJUEYUAN

  JIAOLIANJUYIXI(Cross-linke PE,YIXIAJIANCHENG XLPE)SHIJUYIXISHOUDAOGAONENGSHEXIANHUOJIAOLIANJIDEZUOYONG,ZAIYIDINGTIAOJIANXIANENGCONGXIANXINGFENZIJIEGOUZHUANBIANCHENGTIXINGSANWEIJIEGOU。TONGSHIYOURESUXINGSULIAOZHUANBIANCHENGBURONGDEREGUXINGSULIAO。MUQIANZAIDIANXIANDIANLANJUEYUANYUNYONGZHONG,ZHUYAOJIAOLIANFANGFAYOUSANZHONG:

  1 GUOYANGHUAWUJIAOLIAN。SHIXIANYONGJUYIXISHUZHIPEIHESHIDANGDEJIAOLIANJIHEKANGYANGJI,GENJUXUYAOTIANJIAQITACHENGFEN,ZHICHENGKEJIAOLIANDEJUYIXIHUNHEWUKELI。JICHUGUOCHENGZHONG,TONGGUOREZHENGQIJIAOLIANGUANDAOCHANSHENGJIAOLIAN。

  2 GUIWANJIAOLIAN (WENSHUIJIAOLIAN)。YESHIYIZHONGHUAXUEJIAOLIANDEFANGFA,QIZHUYAOJILISHIJIANGYOUJIGUIYANGWANHEJUYIXIZAITEDINGDETIAOJIANXIACHANSHENGJIAOLIAN,JIAOLIANDUYIBANNENGDADAO 60%ZUOYOU。

  3 FUZHAOJIAOLIANSHILIYONGGAONENGSHEXIANRU r SHEXIAN, αSHEXIAN,DIANZISHEXIANDENGNENGLIANG,SHIJUYIXIDAFENZIZHONGDETANYUANZIJIFAHUO*LIAN,DIANXIANDIANLANCHANGYONGDEGAONENGSHEXIANWEIDIANZIJIASUQICHANSHENGDEDIANZISHEXIAN,YINGAIJIAOLIANSHIYIKAOWULINENGLIANGJINXINGDE,GUSHUWULIJIAOLIAN。

  YISHANGSANZHONGBUTONGDEJIAOLIANFANGSHI,JUYOUBUTONGDETEDIANHEYINGYONG:

  JIAOLIANLEIBIETEDIANYINGYONG

  JIAOLIANGUOCHENGZHONGGUANYONGGEKONGZHI SHIYONGYUSHENGCHANGAODIANKE、DAZHANGDU、 GUOYANGHUAWUJIAOLIAN WENDU,TONGGUOREZHENGQIJIAOLIAN DAJIEMIANDIANLAN, SHENGCHANXIAOGUIGELANGGUANDAO,CHANSHENGJIAOLIAN. FEIDUO. GUIWANJIAOLIANKECAIYONGTONGYONGDE SHIYONGYUXIAOCHICUN、XIAOGUIGE、DISHEBEI,JICHUJISHOUWENDUXIAN DIANKEDEDIANLAN。JIAOLIANFANDANGGUANZAIGUIWANJIAOLIANZHI,JIECHUSHUIFENJIKAISHIJIAO YOUSHUIHUOCHAOQIDETIAOJIANXIACAIHUIWANLIAN,WENDUYUEGAOJIAOLIANSUDU CHENG, SHIYONGYUDIKEDIANLANDESHENGCHAN. CHOUFUSHEYUANNENGLIANGDEGUANXI, SHIYONGYUJUEYUANHOUDUBUTAIHOU,NAI YONGYUBUTAIHOUJUEYUAN, JUEYUAN GAOWENZURANDIANLAN. FUZHAOJIAOLIANTAIHOUSHI,DIANCUNZAIZHAOSHEBUJUNYUNXIANXIANG.

  XLPE JUEYUANYURESUXINGJUYIXIBIJIAO,YOUYIXIAYOUDIAN:

  1 TIGAOLENAIREBIANXINGXING,GAISHANLEGAOWENXIADELIXUEXINGNENG,GAIJINLENAIHUANJINGYINGLIGUILIEYUNAIRELAOHUADEXINGNENG.

  2 ZENGQIANGLENAIHUAXUEWENDINGXINGHENAIRONGJIXING,JIANSHAOLELENGLIUXING,JIBENBAOCHILEYUANLAIDEDIANQIXINGNENG,ZHANGQIGONGZUOWENDUKEDA 125℃HE 150℃,JIAOLIANJUYIXIJUEYUANDEDIANXIANDIANLAN,YETIGAOLEDUANLUDECHENGSHOUNENGLI,QIDUANSHICHENGSHOUWENDUKEDA 250℃,TONGYANGHOUDUDEDIANXIANDIANLAN,JIAOLIANJUYIXIDEZAILIULIANGJIUDADEDUO.

  3 XLPE JUEYUANDIANXIANDIANLANYOUYOULIANGDEJIXIE、FANGSHUIJINAIFUSHEXINGNENGSUOYIYINGYONGLINGYUGUANGFAN。RU:DIANQINEIBULIANJIEXIAN、DIANJIYINXIAN、DENGSHIYINXIAN、QICHEDIYAXINHAOKONGZHIXIAN、JICHEDIANXIAN、DITIEYONGDIANXIANDIANLAN、KUANGYONGHUANBAODIANLAN、CHUANYONGDIANLAN、HEDIANPUSHEDIANLAN、TV GAOYAXIAN、X-RAY JIFAGAOYAXIAN,YIJIGONGLVCHUANSHUDIANXIANDIANLANDENGXINGYE。XLPE JUEYUANDIANXIANDIANLANYOUZHEXIANZHUDEYOUDIAN,DANYEYOUYIXIEZISHENDEQUEDIAN,XIANZHILEQISHIYONG:

  1)NAIREZHANLIANXINGNENGJIAOCHA。ZAICHAOGUODIANXIANEDINGWENDUQINGKUANGXIAJIAGONGSHIYONGDIANXIAN,RONG

  YIZAOCHENGDIANXIANZHIJIANXIANGHUZHANLIANQINGKUANG,YANZHONGKEDAOZHIJUEYUANPOPIXINGCHENGDUANLU.

  2)NAIREQIETONGXINGNENGJIAOCHA。ZAICHAOGUO200℃DEWENDUXIA,DIANXIANJUEYUANBIANDEYICHANGROURUAN,SHOUWAILIJIYAPENGZHUANGRONGYIDAOZHIDIANXIANQIETONGDUANLU.

  3)PICIZHIJIANSECHANANKONGZHI。JIAGONGGUOCHENGYIGUAHUAFABAI,YINZITUOLUODENGWENTI

  4)NAIWENDENGJI 150℃XLPEJUEYUAN,ZUODAOWANQUANBUHANLUSUBINGQIENENGTONGGUOUL1581GUIFANDE VW-1 RANSHAOSHIYAN,BINGBAOCHIYOULIANGDEJIXIEDIANQIXINGNENG,ZAIZHIZAOJISHUSHANGHAICUNZAIYIDINGPINGJING,CHENGBENGAOANG。

  5)GAILEICAILIAOJUEYUANXIANCAIZAIDIANZIDIANQILIANJIEXIANFANGMIAN,SHANGWUGUOJIAXIANGGUANBIAOZHUN。

  SAN 、GUIXIANGJIAO (Silicone rubber)DIANXIANDIANLANJUEYUAN

  GUIXIANGJIAOYIJUWUFENZISHIYOU SI-O (GUI-YANG)JIANLIANCHENGDELIANZHUANGJIEGOU。SI-O JIANSHI443.5KJ/MOL,BI C-C JIANNENG (355KJ/MOL)GAODEDUO。GUIXIANGJIAODIANXIANDIANLANDABUFENCAIYONGLENGJIHEGAOWENLIUHUAGONGYI,ZAIZHONGDUODEHECHENGXIANGJIAODIANXIANDIANLANZHONG,YINQIDUTEFENZIJIEGOU,SHIDEGUIXIANGJIAOBIQITAPUTONGXIANGJIAOJUYOUGENGYOULIANGDEXINGNENG:

  1) FEICHANGROURUAN,LIANGHAODEDANXING,WUWEIWUDU,BUPAGAOWENHEDIYUYANHANDETEDIAN。

  SHIYONGWENDUFANWEIZAI-90~300℃。GUIXIANGJIAOBIPUTONGXIANGJIAOJUYOUHAODEDUODENAIREXING,KEZAI 200℃XIALIANXUSHIYONG,ZAI350 DUXIAYIKESHIYONGYIDUANSHIJIAN。

  2)YOULIANGDENAIHOUXINGNENG。ZHANGSHIJIANZAIZIWAIXIANHEQITAQIHOUTIAOJIANXIA,QIWUXINGYEJINYOUWEIXIAOBIANHUA。

  3)GUIXIANGJIAOJUYOUHENGAODEDIANZULVQIEZAIHENKUANDEWENDUHEPINLVFANWEINEIQIZUZHIBAOCHIWENDING。TONGSHIGUIXIANGJIAODUIGAOYADIANYUNFANGDIANHEDIANHUFANGDIANJUYOUHENHAODEDIKANGXING。GUIXIANGJIAOJUEYUANDIANXIANDIANLANJUYOUYISHANGYIXILIEYOUDIAN,ZAIDIANSHIJIGAOYAZHUANGZHIXIAN、WEIBOLUNAIGAOWENYONGXIAN、DIANCILUYONGXIAN、KAFEIHUYONGXIAN、DENGJUYINXIAN、UV SHEBEI、LUSUDENGJU、KAOLUHEFENGSHANNEIBULIANJIEXIANDENGTEBIESHIXIAOJIADIANLINGYUYOUZHEGUANGFANDEYINGYONG,DANZISHENYIXIEQUEDIANYEXIANZHIGENGGUANGFANDEYUNYONG。RU

  1)KANGSILIENENGLICHA。JIAGONGHUOSHIYONGGUOCHENGZHONGSHOUWAILIJIYA,GUAMOYIPOSUN,ZAOCHENGDUANLU。MUQIANDEFANGHUCUOSHISHISHIZAIGUIJIAOJUEYUANWAIJIASHANGBOLIXIANWEIHUOZHEGAOWENJUZHIXIANWEIBIANZHICENG,DANJIAGONGGUOCHENGZHONGRENGXUJINKENENGBIMIANWAILIJIYASUOZHIDESHANGHAI。

  2)LIUHUACHENGXINGTIANJIADELIUHUAJIMUQIANZHUYAOSHIYONGSHUANGERSI。GAILIUHUAJIHANYOULVYUANSU,

  WANQUANWULUSUDELIUHUAJI (RUBOJINLIUHUA)DUISHENGCHANHUANJINGWENDUYAOQIUYANGE,ERQIECHENGBENGAOANG。

  SUOYIXIANSHUJIAGONGSHIYINGZHUYI:YALUNYALIBUKEGUODA,ZUIHAOSHIYONGJIAOCAIZHI,FANGZHISHENGCHANGUOCHENGZHONGYALIEDAOZHINAIYABULIANG。TONGSHIXUZHUYI:BOLIXIANWEISHAZAISHENGCHANGUOCHENGZHONGXUCAIQUBIYAODEFANGHUCUOSHI,FANGZHIXIRUFEIBU,YINGXIANGYUANGONGJIANKANG。

  SI、JIAOLIANSANYUANYIBINGXIXIANGJIAO (XLEPDM)

  DIANXIANJUEYUANJIAOLIANSANYUANYIBINGXIXIANGJIAO

  JIAOLIANSANYUANYIBINGXIXIANGJIAO (XLEPDM)DIANXIANJUEYUANJIAOLIANSANYUANYIBINGXIXIANGJIAO,SHIYOUYIXI、BINGXIYIJIFEIGONGEERXITINGDESANYUANGONGJUWU,TONGGUOHUAXUEHUOZHEFUZHAOFANGSHIJIAOLIAN。JIAOLIANSANYUANYIBINGXIANGJIAOJUEYUANDIANXIANZONGHEJUXITINGJUEYUANDIANXIANHEPUTONGXIANGJIAOJUEYUANDIANXIANLIANGZHONGDIANXIANDEYOUDIAN:

  1)ROURUAN、QUNAO、DANXING、GAOWENBUZHANLIAN、ZHANGQIDENAILAOHUAXING、NAIELIEDEQI HOU(-60~125℃)。

  2)NAICHOUYANG、NAIZIWAIXIAN、NAIDIANQIJUEYUANXINGNENG、NAIHUAXUEFUSHIXING。

  3)NAIYOUHENAIRONGJIXINGNENGYUTONGYONGXINGLVDINGXIANGJIAOJUEYUANBUXIANGSHANGXIA,PUTONGREJICHUDEJIAGONGSHEBEIJINXINGJIAGONG,CAIYONGFUZHAOJIAOLIAN,JIAGONGJIANBIAN、CHENGBENDILIAN。JIAOLIANSANYUANYIBINGXIANGJIAOJUEYUANDIANXIANYOUSHANGSHUZHUDUOYOUDIAN,ZAIZHILENGYASUOJIYINXIAN,FANGSHUIDIANJIYINXIAN,BIANYAQIYINXIAN,KUANGSHANYIDONGDIANLAN,ZUANTAN,QICHE,YILIAOQIXIE,CHUANBOYIJIYIBANDEDIANQINEIBUBUXIANDENGLINGYUDOUYOUYUNYONG。

  XLEPDM DIANXIANZHUYAOQUEDIANSHI:

  1)TONGXLPE HE PVC DIANXIAN,KANGSILIENENGLIJIAOCHA。

  2)ZHANHEXINGHEZIZHANXINGJIAOCHA,YINGXIANGHOUXUJIAGONGXING。

  WU FUSULIAO(Fluoroplastic)DIANXIANDIANLANJUEYUAN

  XIANGDUIYUCHANGJIANDEJUYIXI、JULVYIXIDIANLANERYAN,FUSULIAODIANLANYOUZHERUXIATUCHUTEDIAN:

  1)NAIGAOWENFUSULIAOYOUZHECHAOHUXUNCHANGDEREWENDINGXING,SHIDEFUSULIAODIANLANNENGSHIYING 150~250℃DEGAOWENHUANJING。ZAITONGDENGJIEMIANDAOTIDETIAOJIANXIA,FUSULIAODIANLANKEYICHUANSHUGENGDADEXUYONGDIANLIU,CONGERDADATIGAOLEGAILEIJUEYUANXIANCAIDESHIYONGFANWEI。YOUYUZHEIZHONGDUTEDEXINGNENG,FUSULIAODIANLANCHANGYONGYUFEIJI、JIANTING、GAOWENLUYIJIDIANZISHEBEIDENEIBUBUXIAN、YINJIEXIANDENG。

  2)ZURANXINGHAO

  FUSULIAODEYANGZHISHUGAO,RANSHAOSHIHUOYANKUOSANFANWEIXIAO,CHANSHENGDEYANWULIANGSHAO。YONGQIZHI ZUODEXIANCAISHIHEDUIZURANXINGYAOQIUYANGEDEGONGJUHECHANGSUO。LIRU:JISUANJIWANGLUO、DITIE、CHELIANG、GAOCENGJIANZHUDENGGONGGONGCHANGHEDENG。YIDANFASHENGHUOZAI,RENMENKEYIYOUYIDINGDESHIJIANSHULI,ERBUBEINONGYANXUNDAO,ZHENGQUDAOBAOGUIDEJIUYUANSHIJIAN。

  3)DIANQIXINGNENGYOUYI

  XIANGDUIYUJUYIXIERYAN,FUSULIAODEJIEDIANCHANGSHUGENGDI。YINCI,YULEISIJIEGOUDETONGZHOUDIANLANBIJIAO,FUSULIAODIANLANDESHUAIJIANGENGXIAO,GENGSHIHEYUGAOPINXINHAOCHUANSHU。DANGJINDIANLANDESHIYONGPINLVYUELAIYUEGAOYIJINGCHENGWEICHAOLIU,TONGSHIYOUYOUYUFUSULIAONENGNAIGAOWEN,SUOYICHANGYONGZUOCHUANSHUTONGXINSHEBEIDENEIBUJIEXIAN、WUXIANFASHEKUIXIANYUFASHEJIZHIJIANDETIAOXIANHESHIPINYINPINXIAN。CIWAI,FUSULIAODIANLANDEJIEDIANQIANGDU、JUEYUANDIANZUHAO,SHIHEZUOZHONGYAOYIBIAOYIQIDEKONGZHIDIANLAN。

  4)JIXIEHUAXUEXINGNENGWANMEI

  FUSULIAODEHUAXUEJIANNENGGAO,JUYOUGAODUDEWENDINGXING,JIHUBUSHOUWENDUBIANHUADEYINGXIANG,YOUZHEYOULIANGDENAIQIHOULAOHUAXINGNENGHEJIXIEQIANGDU;ERQIEBUSHOUGEZHONGSUAN、JIANHEYOUJIRONGJIYINGXIANG。YINCISHIYONGYUHUANJINGQIHOUBIANHUADA、YOUFUSHIXINGCHANGHE,RUSHIHUA、LIANYOU、YOUJINGYIQIKONGZHIDENG。

  5)LIYUHANJIELIANXIAN

  ZAIDIANZIYIQIZHONG,YOUBUSHAOJIEXIANSHICAIYONGHANJIEFANGFAJINXINGLIANJIE,YOUYUYIBANSULIAODERONGRONGWENDUDI,ZAIGAOWENSHIYIRONGHUA,XUYAOSHULIANDEHANJIEJISHU,ERYOUXIEHANDIANBIXUYAOYOUYIDINGDEHANJIESHIJIAN,ZHEIYECHENGWEIFUSULIAODIANLANSHOUDAOHUANYINGDEYUANYIN。RUTONGXINSHEBEIHEDIANZIYIQIDENEIBUJIEXIAN。FUSULIAOXILIEJUEYUANCAILIAOZAIDIANXIANDIANLANLINGYUYOUZHEGUANGFANYUNYONG,CANKAOUL1581、UL758 GUIDING,DIANXIANDIANLANZHONGCHANGSHIYONGDEFUSULIAOJUEYUAN :

  MING CHENG EDINGWENDU(ZUIDA) TEXINGJIQIYINGYONGRANSHAOHOUWUCANLIU,REWENDUXINGHAO,JUNSHISHANGYOUGUANGPTFE 250℃ FANDANGYONG,LIANLIANJIAGONGKUNNAN,JIETOUDUO,XIAOLVDIREWENDINGXINGHAO,XIANGDUI PTFE DIANJIAGONG,ZHUGUANDANGPFA 250℃ YONGGAOWENDAOXIAN,CHENGBENJIAOGAO. KEZHANGQIZAI200℃HUANJINGXIAGONGZUO,XIANGDUI PTFE,FEP 200℃ DIANJIAGONG,ZAIDIANZILIANJIEXIANLINGYUSHIYONGZUIWEIGUANGFANROURENXINGYOULIANG,KEZONGCHAOBOBIJUEYUANDIANXIANSHENGCHAN, XLETFE KEZHANGQIZAI 200℃HUANJINGXIAGONGZUO, (XL)ETFE 150℃ YOULIANGNAIFUSHIHEJIXIEXINGNENG,ZAIHANGKONGHEHANGTIAN LINGYUSHIYONGGUANGFAN. PVDF 150℃ ROURENXINGLIANGHAO,CHAOBOJUEYUAN,TIDAIQIBAOXIANSHIYONG,CIWAIFUSULIAOHAIYOUYIXIEQUEDIANXIANZHILESHIYONG:

  1)YUANCAILIAODEJIAGEGAO, MUQIANGUONEISHENGCHANHAIZHUYAOYILAIJINKOU (RIBENDAJINHEMEIGUODUBANGGONGSI),GUOCHANFUSULIAOSUIRANZUIJINJINIANFAZHANXUNSU,DANSHENGCHANPINZHONGHAISHIDANYI,CAILIAOZAIREWENDINGXINGJIQITAZONGHEXINGNENGSHANGTONGJINKOUCAILIAOXIANGBIHAIYOUYIDINGCHAJU。

  2)SHENGCHANGONGYIXIANGBIQITAJUEYUANCAILIAOJIAOKUNNAN,SHENGCHANXIAOLVDI,YINZIYITUOLUO,HAOSUNDADENGWENTI,SHISHENGCHANCHENGBENJIAOGAO。

  ZONGZHI,SHANGSHUGEZHONGLEIBIEDEJUEYUANCAILIAO,TEBIESHINAIWENZAI 105℃YISHANGGAOWENTEZHONGJUEYUANCAILIAODEYINGYONGFANGMIAN,ZAIGUONEIRENGSHUZHUANXINGQI。WULUNSHIXIANCAISHENGCHAN,HAISHIXIANSHUJIAGONG,BUJINYOUYIGECHENGSHUDEGUOCHENG,DUIGAILEIXIANCAIYAOYOUYIGEDUIQIYOUQUEDIANZUOLIXINGRENSHIDEGUOCHENG。

PVC聚氯乙烯、硅橡胶、交联聚乙烯电缆绝缘材料优缺点 2020-06-04 本文被阅读 次
下一条:电力电缆的敷设方式上一条:耐火电缆与阻燃电缆有什么区别




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