... preparatory conditions 预备条件 ; 准备条件 preparatory cutting 预备伐 Dental preparatory 牙科预科 ...
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The cutting tools, machine tools, machining technology and other aspects involved in the key technology of dry machining and preparatory dry machining are presented in the paper.
对干切削或准干切削的关键技术所涉及的刀具、机床、加工工艺及其它因素等几个方面进行了介绍。
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