神马作文网什么是左焊法?
来源：学生作业帮 编辑：神马作文网作业帮 分类：综合作业 时间：2024/11/17 18:22:26
什么是左焊法?
焊薄板时多采用左焊法,即焊丝在焊炬前面,火焰指向工件待焊部分,两者同时从焊缝右端向左端移动;反之,称为右焊法.
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