countersink是什么意思   countersink怎么读

countersink单词基本解析：

vt. 钻孔装埋, 打埋头孔于
n. 埋头孔, 锥口钻

n. a hole (usually in wood) with the top part enlarged so that a screw or bolt will fit into it and lie below the surface

countersink变化用词：

第三人称单数： countersinks
过去式： countersank
过去分词： countersunk
现在分词： countersinking

现在分词:countersinking 过去式:countersank 第三人称单数:countersinks 过去分词:countersunk

countersink中文词源：

countersink相关组词：

countersink bit 埋头钻

countersink pinhole [医] 钻针孔

countersink angle 反沉角

countersink degree 埋头度

countersink chatter 埋头颤振

countersink hole callout 埋头孔标注

countersink screw 沈头螺钉

countersink crossword 埋头填字游戏

countersink metal 埋头孔金属

countersink用法和例句：

Atoolformakingacountersink.
做螺丝钉孔的工具。

Orthopedics-slottedscrewswithcountersinkheadforankle.
踝关节用埋头有槽螺钉。