Analyses and compares water standard, water treatment process, water supply piping line, system, pipe materials and other problems in the piping drinking water system.

本文对管道直饮水系统中用水标准、水处理工艺、供水管网、管材选用等问题进行了分析比较。

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It is forbidden to throw steel pipe, steel, wrenches and other materials and tools, so as not to destroy the waterproof layer.

严禁抛掷钢管、钢筋、扳手等材料和工具，以免破坏屋顶防水层。

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In full tailing paste filling slurry pumping looping pipe experiments, some other materials are usually added to improve the transportation parameters and the filling strength.

全尾砂膏体泵送环管试验中，往往要添加一些其它材料来改善膏体充填料浆的输送参数和提高充填体的强度。

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At Gadget Camp, sponsored in part by a foundation affiliated with the Fabricators and Manufacturers Association, girls learned how to make a lamp, a candy dispenser, and other useful items out of various materials including wood, metal, fiberglass and PVC pipe.

FORBES: Every Girl Should Wear A Tool Belt And Safety Goggles