water pump shaft

例句：

1. 1. The pump shaft is essentialfor the operation of the machine.
   泵轴对于机器的运行至关重要。
2. 2. The engineercarefully inspected the waterpump shaft to ensure its properfunctioning.
   工程师仔细检查了水泵轴，以确保其正常工作。
3. 3. The waterpump shaft was damaged duringthe repair process.
   在维修过程中，水泵轴受损了。