- automatic submerged arc welding
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自动埋弧焊的英文
例句与用法
- The etched section also reveals that multiple weld passes were made over the top of the original submerged arc weld pass .
从酸蚀断面还可以看出：在原自动埋弧焊的上面覆盖有多层焊道。 - Automatic submerged arc welding
自动埋弧焊