center bitcentre bit中心: centre; centrum; centrality; ...钻头: boring crown; bore bit; dril ...双中心钻头: bicenter bit切齿中心钻头: centerbit of claw type; centre bit of claw type心钻头: core 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:中心钻头，即可在微信中查询翻译
