发布时间:2025-01-31 18:51:26
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。
公积金未满六个月如何与开发商协商签订购房合同使我能够延期办理贷款而不违约
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