countersink

第三人称单数：

动词第三人称单数: countersinks

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

machine countersink drill

机械埋头钻嘴

countersink head Bolt

埋头螺栓

countersink for wood working

木工锥口钻

sole cutting edge countersink

单刃锥口钻

emery countersink

金刚砂埋头钻

countersink bolt

埋头螺栓

multiple-cutting-edge countersink

多刃口锥口钻

machine countersink

机用锥形锪钻