upward welding是什么意思


中文翻译仰焊

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1)upward welding,仰焊2)overhead weld position,仰焊部位3)overhead position welding with the weld inclined,倾斜仰焊4)overhead position of welding,仰焊位置5)stud horizontal welding and up welding,焊钉横焊和仰焊

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