countersink

过去分词：

动词过去分词: countersunk

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：

drill and countersink combination

尖角钝角两用钻

combined drill and countersink

组合中心钻 带护锥复合中心钻

countersink head rivet

埋头铆钉

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

To drive(a screw or bolt) into a countersink.

将钻或螺栓置入埋头孔

brace countersink

钝角菊花形尖头板钻

sole cutting edge countersink

单刃锥口钻

Application of Press Slurry after Countersink Piling Technology

钻孔桩后压浆技术应用

snail countersink

螺旋锥口钻