automanual transfer valve

例句：

1. 1. The automanual transfer valve is used to control the flow of oil in the engine.
   自动手动转换阀用于控制发动机中油的流动。
2. 2. The engineer had to replace the automanual transfer valve due to a faulty seal.
   由于密封故障，工程师不得不更换自动手动转换阀。
3. 3. The automanual transfer valve was designed to improve fuel efficiency and reduce emissions.
   自动手动转换阀的设计旨在提高燃油效率和减少排放。