countersunk

常见例句

Hexalobular socket countersunk head tapping screws.
沉头内六角攻丝螺钉。
CROSS RECESSED COUNTERSUNK HEAD WOOD SCREWS B.S.
英制十字槽沉头木螺钉。
A tool for making a countersink.
做螺丝钉孔的工具
To drive(a screw or bolt) into a countersink.
将钻或螺栓置入埋头孔
Countersunk, Checkered Head, Diamond Point, Polished.
沉头，花格帽，钻石尖，抛光处理。
A common usage is to allow the head of a countersunk bolt or screw, ...
马车螺栓（螺栓教练）：有一个圆顶或沉头，而小腿是由简短根据头方节突破。