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排烟防火阀是消防设施的重要组成之一

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排烟防火阀

  PAIYANFANGHUOFAANSHESHIXIAOFANGPAIFENGJIDEZHONGYAOSHESHI:

乐彩网  1、PAIYANFANGHUOFACAOZUOZUZHICEYINGBUJINCIYU200 mmJINGBANKONGZHONG,YIBENWANLIHUWEI。

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乐彩网  3、PAIYANFANGHUOFAKEYUFENGJI、PAIYANFENGJILIANSUO。

乐彩网  4、PAIYANFANGHUOFAYINGANSHANGDULIFUDIAO,YIBIMIANSHIYOUFASHENGHUOZAIGUANDAOBIANXINGZHENSHEQIXIAOGUO。

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  6、PAIYANFANGHUOFADEBAOXIANSIYINGSHEZHIZAIMIANLINJIAODAHUOJINGJINGXIANDEBIANYAN。