single chamfer plain washer

例句：

1. 1. The engineer useda single chamfered plain washer to hold the bolt in place.
   工程师使用一个单切边平垫圈来固定螺栓。
2. 2. The machine tool required a single chamfered plain washer for its precision adjustments.
   这台机床需要用单切边平垫圈来进行精密调整。
3. 3. The carpenter replaced the single chamfered plain washer with a new one to improve performance.
   木匠用一个新的单切边平垫圈替换了原来的，以提升性能。