OB欧宝体育

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OB欧宝体育

什么是防火桥架

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LINGDUIQIAOJIAYOUFANGHUOYAOQIUDEQUDUAN,KEZAITUOPAN、TIJIATIANJIAJUYOUNAIHUOHUONANRANXINGDIBAN、WANGCAILIAO,SHIQIGOUCHENGFENGBIHUOBANFENGBISHIJIEGOU,BINGYINGZAIQIAOJIABIAOMIANTUSHUAFUHEGUOJIAXIANXINGBIAOZHUN《GANGJIEGOUFANGHUOTULIAOYINGYONGJISHUGUIFAN》CECS 24:90YAOQIUDEFANGHUOTUCENGDENGCUOSHI。  《JIANZHUSHEJIFANGHUOGUIFAN》GB50016-2014DI10.1.10TIAOYOUMINGQUEYAOQIU,TUFANGHUOTULIAOZUIZHONGMUDESHIWEILEBAOHULIMIANDEDIANLAN,ERBUSHIYAOBAOHUQIAOJIA。

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