机械师设置和操作各种机床，切割或研磨金属，塑料或其他材料来制作或修改精确尺寸的零件或产品。
Machinists set up and operate a variety of machine tools to cut or grind metal, plastic or other materials to make or modify parts or products with precise dimensions.
女机械师在迅速工业化的襄樊城的一家工厂操作一台精密金属切割机。
Women machinists operate a precision metal cutter at a shop in fast-industrializing Fanch 'eng.
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