cotter pin

noun

1. 开口销；扁销；开尾销
   a metal pin that holds a part in place inside a machine

1. The bolt, nut, cotter pin and rivet are all common fastener.
   螺栓、螺母、开口销及铆钉都是常用紧固件。
2. Remove the cotter pin and nut from the drag link at the pitman arm. On Nonexistence of Euler's Formula for Stabilization of Compressive Bar
   从转向拉杆上拆下转向摇臂处的开口销和螺母。关于压杆稳定欧拉公式实际上不存在的论证
3. Effect of the Axle Box Rotary Arm Positioning Mode on Resilient Nodal Points Remove the cotter pin and nut from the drag link at the pitman arm.
   轴箱转臂定位方式对弹性节点的影响从转向拉杆上拆下转向摇臂处的开口销和螺母。
4. Robert Jordan held the gray-painted grenade in his hand, trying the bend of the cotter pin with his thumbnail.
   罗伯特？乔丹握着一颗漆成灰色的手榴弹，用大拇指甲试试开尾销是不是结实。
5. Round Pin Shackles are considered un-safe as the cotter pin, if removed or not installed, falls off during a lift can cause the shackle to fail.
   圆销钩环被认为是不安全的，因为如果开口销被拆除或未安装，或者在提升中脱落，将造成钩环失效。

noun

1. a cotter consisting of a split pin that is secured (after passing through a hole) by splitting the ends apart