The research procedure of the heavy-film anti-corrosive concrete coating and its application process on the surface of prestressed concrete cylinderpipe(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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The application practice has shown that both valves, especially the single cylinder one, are more suitable than sluice valve, ball valve or pipe clamp valve in regulating and controlling the…