排水管道 drain line; drainage pipe line 配水管道 distributing pipe line; distributing water pipe; water distribution pipeline ..
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drainage pipe line design 排水管网设计
Based on reliability theory, a basic maths model of calculating the reliability of drainage pipe line is recommended for factual need of drainage pipe line design.
根据排水管网设计的实际需要，以可靠性分析理论为依据，提出可以用于排水管网可靠性计算的基础数学模型。
PE series plastic pipe production line is mainly used for producing pipe of water supply and drainage in the field of agriculture and construction, cable etc.
PE系列塑料管材生产线主要用于生产农用给排水管、建筑给排水管、线缆等产品。
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