Compared with spot welding of low carbon cold rolled steel , weldability of galvanized steel sheet worsened.

热镀锌钢板与普通低碳冷轧钢板相比,其点焊焊接性能显著恶化.

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Acid pickle process is harmful to the pre - phosphating coating on the electro galvanized steel sheet.

酸洗工艺对预磷化板是不利的,酸洗工艺完全破坏了预磷化膜层.

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