polyethylene-lined steel pipe是什么意思

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用法例句

The paper mainly introduced the manufacturing process, inspection method, characteristic and use of polyethylene powder coatings painted steel pipe (including shape tube, storage tank and connector) ,together with the physical property of polyethylene resin.

主要介绍聚乙烯树脂的物理性能、聚乙烯粉末涂层钢管(含异形管、油罐、接头)的制造、检查方法及制造的范围、涂层钢管的特性和用途等。

Steel-plastic compound pipe of PP (SPCP) is a new type of pipe instead of conventional ones, and there is no literature reports about its methods and data determining conductive coefficients.

聚乙烯钢塑复合管是新一代替代传统管道的新型管材,其导热系数的测试及相关的数据目前还没有报导。