semi-automatic submerged are welding machine
...g 半自动埋弧焊 semi-automatic submerged arc welding machine 半自动埋弧焊机 semi-automatic submerged are welding machine 半自动埋弧焊机 ..
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semi-automatic submerged are welding machine
半自动埋弧焊机
以上为机器翻译结果，长、整句建议使用 人工翻译 。