counter sunk是什么意思_counter sunk的用法_翻译_读音

- [医] 钉孔, 钻孔(牙)
英英释义
名词 countersink:

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

a bit for enlarging the upper part of a hole
临近单词

countersue counter counter-intuitive behavior counterencirclement campaign counter current soap boiling counter-clockwise rotation Counter Air Operation Center counterrevolutionary conduct counter-current flow dryer counterplea of effectiveness counterclockwise accessaryes counter-rotating axial fan