...电弧焊 manuis which includes automatic inert gas tungsten arc welding (GTAW) 主动埋弧焊 automatic submerged arc welding 金属极隋性气体保护电弧焊 gas metis arc weiding (GMAW) ..
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埋弧主动焊 unionmelt welding
主动埋弧焊
Active submerged arc welding
以上为机器翻译结果,长、整句建议使用 人工翻译 。
1966年,北京金属构造厂开辟出了使被焊球体扭转的埋弧主动焊。
In 1966, Beijing metal structure factory developed by rotating sphere of the submerged arc welding automatic welding.
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