... annual flood 年最大量 anticorrosive protection 腐蚀防止 antifreeze admixture 防冻附加剂 ...
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The method improves anticorrosive protection of metal, surfaces, particularly metal surfaces containing zinc, provided with conversion layers.
该方法可以改善具有转化层的金属、特别是含锌金属表面的腐蚀保护性能。
For pipeline corrosion protection, anticorrosive coating of composite structure with3 coats of PE and sacrificial anode protection should be adopted.
管道防腐宜采用三层PE复合结构防腐涂层牺牲阳极保护。
Second-ranking carbonization depth anticorrosive wood safety and environmental protection.
深度炭化防腐木安全环保。
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