hydraulic valve lifter oil passage

例句：

1. 1.The hydraulic valve lifter is designed to improve the efficiency of the machinery.
   液压阀提升器旨在提高机械的效率。
2. 2.The oil passage was blocked by a piece of debris, causing the engine to overheat.
   油路被一块碎片堵塞，导致发动机过热。
3. 3. The engineer used the hydraulic valve lifter to adjust the pressure in the system.
   工程师使用液压阀提升器调整系统中的压力。