locking tappet

例句：

1. 1. The engineers were busy installing the new locking valves in the factory.
   工程师们忙于在工厂安装新的锁定式节流阀。
2. 2. The pilot had to use a locking throttle to maintain altitude during the emergency landing.
   飞行员在紧急着陆时不得不使用锁定式节流阀来保持高度。
3. 3. The car's engine was controlled by a locking control system, which allowed for precise adjustment ofspeed and power.
   汽车的引擎由一个锁定控制系统控制，这允许精确地调整速度和功率。