water pump impeller spring

例句：

1. 1.The water pump impeller spring is essential for maintaining the proper flow of water in the system.
   水泵叶轮弹簧对于保持系统内水流畅通至关重要。
2. 2. The new design of the water pump impeller spring has significantly improved its efficiency.
   新型水泵叶轮弹簧的设计大大提高了其效率。
3. 3. The water pump impeller spring was replaced after it failed to operate properly for several months.
   水泵叶轮弹簧在运行几个月后出现故障，已被更换。