nozzle gate

例句：

1. 1. The nozzle gate is a critical component of the air filter system.
   喷嘴门是空气过滤器系统的关键部件。
2. 2. The engineers were busy installing the nozzle gates on the new pipeline.
   工程师们忙于在新管道上安装喷嘴门。
3. 3.The nozzle gate was designed to prevent debris from entering the machine.
   喷嘴门的设计是为了防止杂物进入机器。