free escapement

例句：

1. 1.The clock's mechanism is designed with a free escapement for precise timing.
   这台钟的机构设计有自由脱扣装置，用于精确计时。
2. 2.The car's gearbox uses a free escapement to reduce friction and improve efficiency.
   汽车的变速箱使用自由脱扣装置来减少摩擦并提高效率。
3. 3. The watchmaker used a free escapement to create a unique timepiece that was highly sought after.
   手表匠使用了自由脱扣装置制作了一种独特的时计，非常受欢迎。