variable-speed hydraulic governor

例句：

1. 1.The variable-speed hydraulicgovernor is used to control the speed ofthe engine.
   可变速液压调速器用于控制发动机的速度。
2. 2. The variable-speedhydraulic governor helps to maintain aconsistent speed throughout the drive.
   可变速液压调速器有助于在整个驱动过程中保持恒定的速度。
3. 3. The variable-speed hydraulic governor is an essential component of modernvehicles.
   可变速液压调速器是现代车辆的必备组件。