黑色金属冶炼及压延加工业 smelting and pressing of ferrous metals
有色金属冶炼及压延加工业 smelting and pressing of non-ferrous metals
包括黑色金属冶炼及压延加工业、有色金属冶炼及压延加工业。
The ferrous metal smelting and rolling processing industry, non-ferrous metal smelting and rolling processing industry, etc are included in the metallurgy industry.
塑料加工机器操作员设置和操作塑炼，压延，挤出，用于制造塑料零件和塑料制品的成型加工机。
Plastics processing machine operators set up and operate plastic mixing, calendering, extruding and moulding processing machines used in the manufacture of plastic parts and plastic products.
适切削加工，做定量压延滚牙性，用于卯合或变型加工，抽伸棒或线。
Appropriate machining, rolling rolling make quantitative, and ford All or variant processing, pumping rod or line stretching.
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