Used for down hand welding and flat fillet welding on general low-carbon steel structures…

适用于船体结构低碳钢和其他相应等级的普通低碳钢的平焊、平角焊。

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Used for down hand welding and flat fillet welding on general low-carbon steel structures…

适用于船体结构低碳钢和其他相应等级的普通低碳钢的平焊、平角焊。

youdao