cutting head取: take; get; fetch心: the heart钻头: boring crown; bore bit; dril ...切削: cutting; cut; profiling刃: the edge of a knife,sword,et ...下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:取心钻头切削刃，即可在微信中查询翻译
