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成都风管施工

成都风管施工

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CHENGDOUSHIJINNIUQUWEIJIANIANYILU118HAO3DONG5LOU11HAO

通风管道中防火阀的作用

发布日期:2017-11-09 作者: 点击:

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FANGHUOFA、FANGHUODIAOJIEFA,CHANGKAI,70DUGUANBI,YIBANANZHUANGZAIFENGGUANCHUANYUEFANGHUOQIANGCHU,QIHUOZAIGUANDUANZUOYONG,KEYISHEZHISHUCHUDIANXUNHAO,YANGANCHAOGUO70DUSHIFAMENGUANBI,LIANSUOSONG(BU)FENGJIGUANBI;

FANGHUOFA,280DURONGDUANGUANBI,CHANGKAI,SHUCHUDIANXUNHAO,ZHEIZHONGHE1XIANGSI,ZHISHIRONGDUANWENDUBUTONG,YIBANYINGYONGYUHUOZAIPAIYANGUANCHUANYUEFANGHUOQIANGCHU,YANQIWENDUCHAOGUO280DUSHIZIDONGRONGDUANGUANBI,KELIANSUOGUANBIPAIYANFENGJI。


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