pump check spring

例句：

1. 1.The pump check spring needs to be replaced after every use.
   每次使用后，都需要更换泵检查弹簧。
2. 2. The pump check spring is responsible for ensuring the proper operation of the pump.
   泵检查弹簧负责确保泵的正确运行。
3. 3. The pump check spring is a critical component that must be maintained to prevent damage to the pump.
   泵检查弹簧是一个关键部件，必须保持完好，以防止对泵的损坏。