countersink

现在分词：

动词现在分词: countersinking

更多词形：

动词过去式: countersunk | 动词过去分词: countersunk | 动词现在分词: countersinking | 动词第三人称单数: countersinks |

单词例句：

Take the replenishment to countersink the end face with guide pillars of aids to navigation

对航标带导柱的端面锪钻的补充

snail countersink

螺旋锥口钻

brace countersink

钝角菊花形尖头板钻

emery countersink

金刚砂埋头钻

multiple-cutting-edge countersink

多刃口锥口钻

screw pin countersink shackle

埋头螺丝卸扣

countersink head Bolt

埋头螺栓

/ Milling, boring, drilling, countersink, reaming and tapering all these process can be made for just one fixture.

B、零件一次装夹后可完成铣、镗、钻、扩、铰、攻丝等多工序加工。

countersink (drill)

尖底锪钻