rotary-vane compressor

例句：

1. 1. The new rotary-vane compressor has greatly improved the efficiency of our factory's production line.
   新型罗茨风机压缩机大大提高了我们工厂生产线的效率。
2. 2. The engineers are working on a rotary-vane compressor design that could revolutionize the way we process oil.
   工程师们正在研究一种罗茨风机压缩机设计，可能会彻底改变我们对石油加工的方式。
3. 3. The rotary-vane compressor is used to boost the air pressure in the factory's ventilation system.
   罗茨风机压缩机用于提升工厂通风系统的气压。