expansion nozzle

例句：

1. 1. The engineer designed the expansion nozzle to increase the flow rate of the gas.
   工程师设计了膨胀喷嘴，以增加气体的流速。
2. 2.The expansion nozzle is used in the manufacturing process to control the temperature and pressure of the materials.
   膨胀喷嘴用于制造过程中，以控制材料的温度和压力。
3. 3. The expansion nozzle was a critical component in the design of the new furnace.
   膨胀喷嘴是新炉设计中的关键组件。