burr-drill钻: drill; auger锥: awl awl-shaped things钻锥坑: counter sinking; countersinking钻锥孔: kegelbohren taper boring钻锥，刀尖块: bit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:钻锥，即可在微信中查询翻译
