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随着国家标准《给水用硬聚氯乙烯(PVC—U)管材》GB/T10002·1—95以及中国工程建设标准化协会标准《建筑给水硬聚氯乙烯管道设计与施工验收规程》CECS41:92和《室外硬聚氯乙烯给水管道工程设计规程》CECS17:90的成功编制,为配合广西建委桂建科字[1995]第29号转发建设部等五部门《关于加强我国化学建材生产和推广应用的若干意见》的通知,编印符合国家标准给水UPVC管的水力计算表供广大读者参考是完全必要的。
With the national standard “PVC-U pipe for water supply” GB / T10002-1-95 and CECS 41: 92 and the China Construction Standardization Association Standard “Code for acceptance of design and construction of PVC pipe for building water supply” and “Outdoor hard PVC water supply pipeline engineering design code” CECS17: 90 successful preparation, in line with the Guangxi Construction Committee Gui Jianke Zi [1995] No. 29 forward the Ministry of Construction and other five departments “on strengthening China’s chemical building materials production and promotion of the application A number of opinions, ”the notice, compiled in line with the national standard UPVC pipe water hydraulic calculation table for readers reference is absolutely necessary.