flange spring washer

例句：

1. 1.The flange spring washer isused to ensure the proper fit of thebolt head.
   法兰弹簧垫圈用于确保螺栓头的正确安装。
2. 2. The flange springwasher prevents the bolt from comingloose during operation.
   法兰弹簧垫圈在操作过程中防止螺栓松动。
3. 3. The flange spring washeris a crucial component in theassembly of mechanical systems.
   法兰弹簧垫圈是机械系统组装中的关键部件。