straight shank twist drill无: not have; there is not; be w ...头: 5点就得动身 have to start before ...钢: sharpen; strop; whet钻: drill; auger方头钢钻: square shank ratchet 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:无头钢钻，即可在微信中查询翻译
