释义 |
countersinkcountersink[ˈkauntəsiŋk]vt.1.■(-sunk[ˈ-sʌŋk])钻埋头孔, 锥形扩孔, 冲锥形沉孔, 划尖底眼 词性变化countersink[ˈkauntəsiŋk]n.1.■埋头孔, 锥口孔2.■埋头钻, 锥口钻, 尖底锪钻 继承用法countersunk[ˈkaʊntəsʌŋk]adj.1.■埋头的 特殊用法Broughton countersink1.■布劳顿锥坑钻emery countersink1.■金刚砂埋头钻machine countersink1.■机用锥形锪钻multiple-cutting-edge countersink1.■多刃锥口钻rose countersink1.■菊花钻snail countersink1.■螺旋锥口钻sole cutting edge countersink1.■单刃锥口钻 |