minute indicator friction spring

例句：

1. 1. Theminute indicator on the watch is very precise.
   手表上的分钟指示器非常精确。
2. 2. The frictionspring in the car engine helps to keepthe engine running smoothly.
   汽车发动机中的摩擦弹簧有助于使发动机平稳运行。
3. 3. The minute indicatoron the clock shows the time accurately.
   钟表上的分钟指示器准确地显示了时间。