发布时间:2025-01-31 18:44:43
镀锌管焊接的防腐:
表面处理后,热喷涂锌。
如果现场不能镀锌,可以按照现场防腐的办法:
刷环氧富锌底漆,环氧云铁中间漆,聚氨酯类面漆。
厚度参照相关标准。
如何测试空调制冷在正常范围内格力空调15匹不到15平方的房子总是不凉
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