500万彩票

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HUANYINGLAIDAOBENZHAN

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500WANCAIPIAO》XINWENLIEBIAO

保温管直埋铺设的优势特点2017-08-15

BAOWENGUANQI DAOREXISHUWEI:λ=0.013—0.03kcal/m·h·oC,BIQITAGUOQUCHANGYONGDEGUANDAOBAOWENCAILIAODIDEDUO,BAOWENXIAOGUOTIGAO4~9BEI。ZAIYOUQIXISHUILVHENDI,YUEWEI 0.2kg/m2。XISHUILVDIDEYUANYINSHIYOUYUJUANZHIPAOMODEBIKONGLVGAODA92%ZUOYOU。DIDAOREXISHUHEDIXISHUILV,JIASHANGBAOWENCENGHEWAIMIANFANGSHUIXINGNENGHAODEGAOMIDUJUYIXIHUOBOLIGANGBAO HUQIAO,GAIBIANLECHUANTONGDIGOUFUSHEGONGREGUANDAO“CHUANSHIMIANAO”DEZHUANGKUANG,DADAJIANSHAOLEGONGREGUANDAODEZHENGTIRESUNHAO,REWANGRESUNSHIWEI2%,XIAOYUGUOJI10%DEBIAOZHUNYAOQIU。

500万彩票BANQUANSUOYOU@CANGZHOUCHENGQIGUANDAOYOUXIANGONGSIBAOLIUYIQIEQUANLI