... 割面符号 cutting-plane symbol 割球法(求交线) cutting-sphere-method 旋转抛物线面 cyclic paraboloid ...
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To adopt boring technology to process hole alike ellipse sphere in the harder material and to explore devising method of cutting tool.
采用镗削加工工艺加工硬度较高材料的椭球孔,并探讨刀具设计方法。
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