bilge pump plunger rod

例句：

1. 1. The bilge pump is used to remove water from the tank.
   油井泵用于从油箱中排出水。
2. 2.The oil well pump plunger rod is essential for maintaining the well's integrity.
   油井泵柱塞杆对于保持井的完整性至关重要。
3. 3. The engineer replaced the damaged bilge pump plunger rod with a new one.
   工程师用一个新的柱塞杆替换了损坏的油井泵。