metal-processing industry 金属加工业 ; 金属加工工业
There is little mobility among the various types of machine operators within the mineral and metal processing industry.
矿产和金属加工业的各类机器操作员之间具有很小的流动性。
There is little mobility among the various types of central control and process operators within the mineral and metal processing industry.
矿物和金属加工行业内的各种类型的中央控制和过程操作员的流动性不大。
The group currently provides services in paper and printing industry, wood and metal processing industry, rubber and plastics recycling industry, etc.
目前集团主要服务行业有：造纸及印刷业、木业、金属加工业和塑料橡胶回收业等。
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