electro-hydraulic control valve

例句：

1. 1. The electro-hydraulic control valve is used to regulate the flow of oil in the engine.
   电液控制阀用于调节发动机中油的流动。
2. 2. The engineers were tasked with replacing the old electro-hydraulic control valve with a newone.
   工程师们被指派更换旧的电液控制阀为新的。
3. 3. The new electro-hydraulic control valve has improved efficiency by up to 30%.
   新电液控制阀的效率提高了高达30%。