他们受雇于机械，设备，汽车，汽车零部件，飞机及其他金属制品制造企业和机器加工车间。
They are employed by machinery, equipment, motor vehicle, automotive parts, aircraft and other metal products manufacturing companies and by machine shops.
本单元组工人操作橡胶加工机械，组装和检查橡胶制品。他们受雇于轮胎制造商及其他橡胶制品制造企业。
Workers in this unit group operate rubber processing machinery and assemble and inspect rubber products. They are employed by tire manufacturers and other rubber products manufacturing companies.
车床主要用于加工轴、盘、套和其他具有回转表面的工件，是机械制造和修配工厂中使用最广的一类机床加工。
The lathe is mainly used for machining shaft, plate, sets and other has turned the workpiece surface, and machinery factory is engaged in the most widely used kind of machine tool.
超精密机械加工技术作为微光学元件的一种制造方法，具有很多其他传统方法所不具有的优点。
Precision machining, as a manufacturing technique of micro - optical components, has many advantages which are difficult or even impossible for other traditional methods.
超精密机械加工技术作为微光学元件的一种制造方法，具有很多其他传统方法所不具有的优点。
Precision machining, as a manufacturing technique of micro - optical components, has many advantages which are difficult or even impossible for other traditional methods.
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