It focuses on the manufacture process and application properties to analyze the advantage and disadvantage of coating plastic pipe and lining plastic pipe.

着重从制造工艺和使用性能方面分析了涂塑钢管和衬塑钢管各自的优、缺点。

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The research procedure of the heavy-film anti-corrosive concrete coating and its application process on the surface of prestressed concrete cylinder pipe(PCCP) are introduced.

介绍了用于混凝土表面可厚涂的防腐蚀涂料的研制过程及其在PC CP表面的施工工艺。

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On the principle of phosphate coating formation, the paper introduces the inspection method and the process procedure of oil pipe coupling in the phosphate solution.

根据磷化膜的形成原理，介绍了油管接箍在磷酸盐溶液中的工艺处理过程和检验方法。

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