diaphragm fuel pump

例句：

1. 1. The new diaphragm fuel pump has greatly improved theefficiency of our factory's machinery.
   新型隔膜燃料泵大大提高了我们工厂机械的效率。
2. 2.The engineer carefully inspected the diaphragm fuel pump before installing itin the machine.
   工程师在安装机器之前仔细检查了隔膜燃料泵。
3. 3. The diaphragm fuel pump is a crucialcomponent in the oil refining process, ensuring the smooth flow of oil andgas.
   隔膜燃料泵是石油精炼过程中的关键部件，确保油和气体的顺畅流动。