limiter tube

例句：

1. 1. The new model car has a limiter tube that can adjust the speed of the engine.
   新款汽车有一个可以调整发动机速度的限速管。
2. 2.The scientist used a limiter tube to measure the flow rate of the gas.
   科学家使用一个限速管来测量气体的流量。
3. 3.The engineer designed a limiter tube to prevent overheating of the engine.
   工程师设计了一个限速管以防止发动机过热。