Knowledge about machine maintenance (electrical, mechanical...), welding and machining.
机器维护相关知识(电子，机械……)焊接和机加工。
Which is composed of mechanical system, hydraulic system, electrical control system and welding system.
该生产线由机械、液压、电气控制及焊接四大系统组成。
Which is composed of mechanical system, hydraulic system, electrical control system and welding system.
该生产线由机械、液压、电气控制及焊接四大系统组成。
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