high pressure lubricating oil pump

例句：

1. 1. The high pressure lubricating oil pump is essential for theoperation of the machine.
   高压润滑油泵对于机器的运行至关重要。
2. 2. The engineer replaced the oldhigh pressure lubricating oil pumpwith a new one.
   工程师用一个新的高压润滑油泵替换了旧的。
3. 3. The high pressurelubricating oil pump was designedto improve the efficiency of the machinery.
   高压润滑油泵的设计目的是为了提高机械的效率。