countersunk washer中文什么意思
埋头垫圈
- countersink: vt. (-sunk ) 打孔装埋( ...
- washer: n. 1.洗涤者。 2.洗衣机，洗涤 ...
- countersunk: 沉孔; 埋头的; 埋头孔
例句与用法
- Aerospace ; fasteners for structural and non - structural applications ; rotary fasteners ; countersunk washer
航空航天.结构和非结构用紧固件.旋转紧固件.沉头垫圈
