bit dragchipping type bitdrag bit切削: cutting; cut; profiling型: mould; model钻头: boring crown; bore bit; dril ...h型钻头: h bit; h-bit大型钻头: large-size drill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:切削型钻头，即可在微信中查询翻译
