切削

qiē xiāo xì shù

切削系数

cutting coefficient

qiē xiāo shēn dù

切削深度

cutting depth

jī xiè qiē xiāo

机械切削

machine cut

xì qiē xiāo

细切削

fine cut

yòng gōng jù qiē xiāo

用工具切削

cut with a tool

měi yī gè zuàn tóu dōu yǒu bù tóng de zuì jiā qiē xiāo sù dù

每一个钻头都有不同的最佳切削速度。

Each of the bits has a different optimum cutting speed.

gāo sù qiē xiāo

高速切削

high-speed cutting