然而逆铣仍经常被用在工业上,尤其是粗切削时。
Nevertheless, up milling is commonly used in industry, especially for rough cuts.
机械工厂的切削加工有两种,分别称为“粗切削”和“精切削”。
There are two kinds of cuts in machine- shop work called, respectively, the "roughing cut" and the "finishing cut".
一般地说,钢质棒料、锻件、铸件等只经一次粗切削和一次精切削即可达到所要求的形状和尺寸。
Generally speaking, bars of steel, forging, castings, etc. are machined to the required shape and size with only one roughing and one finishing cut.
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