combined pipe tap and drill管: pipe; tube丝锥: tap; screwtap钻头: boring crown; bore bit; dril ...复合: compound; complex; composite ...刀具: cutter; tool; bit tool; knif ...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:管丝锥钻头复合刀具，即可在微信中查询翻译
