Introduce the performance of every kind of gas pipe material and technology-economy comparison is made, how to choose pipe material reasonable is discussed.
介绍了各种燃气管材的性能，对各种管材作了技术经济比较，讨论了如何合理选择管材。
Polyethylene pipe is very good material for engineering, and it is wildly used for gas engineering.
聚乙烯管道是一种优良的工程管道材料，在燃气工程上应用尤其广泛。
Pipe wrap tissue is used as a basical material for anti-corrosion wrapping on steel pipelines for oil or gas distribution.
缠绕管道毡是缠绕包覆在油、气管道上防腐的理想材料。
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