slide-vane type rotary pump

例句：

1. 1. The new slide-vane type rotary pump has greatly improvedthe efficiency of the process.
   新型滑片式转子泵大大提高了工艺的效率。
2. 2. The engineerdesigned a slide-vane type rotary pump to meet the needs of thechemical industry.
   工程师设计了一种滑片式转子泵以满足化工行业的需求。
3. 3. The slide-vane type rotary pump is widelyused in various industries due to its highefficiency and low maintenance costs.
   由于其高效率和低维护成本，滑片式转子泵在各行业中得到了广泛应用。