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钢丝网骨架塑料复合管都有哪些规格和等级

发布时间:2019-12-27 10:33    文章来源:未知   文章作者:admin
  根据CJ/T189-2004《钢丝网骨架塑料(聚乙烯)复合管材及管件》准绳 ,给水用管材准绳有50,63,75,90,110,140,160,200,225,250,315,355,400,450,500,560,630计十七种 ,压力有0.8,1.0,1.25,1.6,2.0,2.5,3.5七种。

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