arc welding method and equipment
... 材料的腐蚀与防护Corrosion and Protection of Material 压力焊及特种焊Pressure Welding and Special Welding 电弧焊方法与设备Arc Welding Method and Equipment ...
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arc welding method and equipment
弧焊方法及设备
以上为机器翻译结果，长、整句建议使用 人工翻译 。