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热镀锌管与冷镀锌管有什么区别?

直播吧手机版2015-10-28 21:04:00 

REDUXINGUANSHISHIRONGRONGJINSHUYUTIEJITIFANYINGERCHANSHENGHEJINCENG,CONGERSHIJITIHEDUCENGERZHEXIANGJIEHE。REDUXINXIANJIANGGANGGUANJINXINGSUANXI,WEILEQUCHUGANGGUANBIAOMIANDEYANGHUATIE,SUANXIHOU,TONGGUOLVHUAANHUOLVHUAXINSHUIRONGYEHUOLVHUAANHELVHUAXINHUNHESHUIRONGYECAOZHONGJINXINGQINGXI,RANHOUSONGRUREJINDUCAOZHONG。REDUXINJUYOUDUCENGJUNYUN,FUZHELIQIANG,SHIYONGSHOUMINGZHANGDENGYOUDIAN。

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