twist drill旋: whirl钻: drill; auger板: board; plank; plate旋钻: abrasion drill; broach电路板钻头: circuit board 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:旋钻，板钻，即可在微信中查询翻译
