twin-diaphragm pump

例句：

1. 1. The twin-diaphragm pump was designed to improve efficiency in the oil extraction process.
   双隔膜泵的设计旨在提高石油提取过程的效率。
2. 2.This twin-diaphragm pump is suitable for pumping liquids at high pressure.
   这种双隔膜泵适用于高压液体的抽送。
3. 3. The engineers had to replace the old twin-diaphragm pump with a new one due to its poor performance.
   由于性能不佳，工程师们不得不用一个新的双隔膜泵来替换旧的。