上海11选5

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PE给水管件消除噪音的秘密

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PE给水管件消除噪音的秘密

发布日期:2017-12-16 作者: 点击:

上海11选5SUIZHEWOMENXIANZAISHIDAIDEFAZHAN,PEJISHUIGUANJIANTIDAICHUANTONGPUTONGPAISHUIZHUTIEGUANDAOJIBENYICHENGDINGJU,DANSHIPUTONGPEJISHUIGUANJIANDEPAISHUIZAOYINYAOBICHUANTONGZHUTIEGUANGAOYUE10dB,RUOPAISHUILIGUANKAOJINWOSHI,JIASHANGXIANJIAOLOUBANDEGEYINXIAOGUOJIAOCHA,ZHUHUNENGMINGXIANGANJUEDAOPEJISHUIGUANDAODEZAOYIN,YINGXIANGRENMENZHENGCHANGXIUXI。ZHENDUIZHEIYIWENTI,GUANCAICHANGJIAYEDUICIZUOCHULEGAIBIAN,XIAMIANLAIKANYIXIADOUSHISHENMEGAIBIAN。

  

上海11选5SHICHANGSHANGXINCHUXIANLEYIZHONGCHAOJIJINGYINPEJISHUIGUANZEJIARULETESHUXISHENGCAILIAO,ZAOYINDIYUPAISHUIZHUTIEGUAN。GEZHONGGUANCAI(Φ110mm)ZAOSHENGSHUIPINGBIJIAO:UGUAN58db;ZHUTIEGUAN46.5db;CHAOJIJINGYINPEJISHUIGUAN45db。JINGCESHI,UPEJISHUIGUANDEZAOYINZAIDICENGBIZHUTIEPEJISHUIGUANDA2ZHI3GEFENBEI,BINGMEIYOUCHAOGUOGUOJIADUISHENGHUOZAOYINGUIDINGDEBIAOZHUN。

  

上海11选5YISHANGJIUSHIDUIPEJISHUIGUANZAOYINXIAOCHUDEJIESHAO,XIWANGNENGBANGZHUDAJIA!RUYOUQITAYIWEN,HUANYINGLAIDIANZIXUN! 


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