- cutting arc
- 切削: cutting; cut; profiling
- 弧: arc bow
- 切削: [机械工程] cutting; cut; profiling 粗切削 rough cut; 高速切削 high-speed cutting; 金属切削 metal cutting
- 粗切削: bastard cut; lower cut; rough cutting; rough machining; roughing cut
- 精切削: finishing cut
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