切削工具的非金属本体，切削工具及其制造，使用方法。
Nonmetallic body of cutting tool, cutting tool and its mfg. and using method.
对塑性状态下切削硬脆材料的方法进行了归纳和分类。
The way of cutting hard brittle material in a plastic state is classified.
传统切削研究中，主要是从切削理论和切削试验两种方法来进行。
The conventional study begins with the theory and the experiments of metal cutting.
利用模具铸造成型，实质上是一种少切削、无切削、多工序重合的生产方法。
Casting is a sort of few cutting or no cutting and multi-process coincide production method.
利用模具铸造成型，实质上是一种少切削、无切削、多工序重合的生产方法。
Casting is a sort of few cutting or no cutting and multi-process coincide production method.
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