• 机械切割

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1. The shop where we perform machining operations is called a machine shop.
   我们进行机械加工操作的车间称作金工车间。
2. It is very difficult to machine this crystaldue to its perfect cleavage and brittleness.
   依靠传统的纯机械加工方法常常导致生产率低下和废品率增高。