single coil spring washer

例句：

1. 1.The new car has a single coil spring washer that helps to absorb shocks.
   这款新车有一个单线圈弹簧垫圈，有助于吸收震动。
2. 2. The engineer used a single coil spring washer to make the machine more efficient.
   工程师使用了一个单线圈弹簧垫圈来使机器更加高效。
3. 3.The old car had a single coil spring washer that was worn out after only a few months of use.
   这辆旧车有一个单线圈弹簧垫圈，在使用几个月后就磨损了。