chopstock removal action切削: cutting; cut; profiling动作: movement; motion; action铣削动力头: fraise unit; milling unit head钻削动力头: drill unit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下载手机词典可随时随地查词查翻译