conical spring washer

例句：

1. 1. The machine uses a conicalspring washer to ensure smooth operation.
   这台机器使用圆锥形弹簧垫圈来确保平稳运行。
2. 2. The engineer replaced theold conical spring washer with anew one.
   工程师用一个新的圆锥形弹簧垫圈替换了旧的。
3. 3. The conical spring washer is designed to absorbshock and protect the bearing from damage.
   圆锥形弹簧垫圈的设计是为了吸收冲击并保护轴承免受损坏。