reverse cylinder valve arm

例句：

1. 1. Thereverse cylinder valve arm is responsible for controllingthe flow of oil in the engine.
   反向气缸阀门臂负责控制发动机内油的流动。
2. 2. The engineer had to disassemble thereverse cylinder valve arm to replace the wornpart.
   工程师不得不拆开反向气缸阀门臂来更换磨损的部分。
3. 3. The reverse cylinder valve armwas designed to improve fuel efficiency and reduceemissions.
   反向气缸阀门臂的设计旨在提高燃油效率并减少排放。