hydraulic booster meaning in Hindi

Enlarging the vertical stabilizer cured this last problem and hydraulic boosters were fitted for the control system.
Phase two is the intermediate powered control system with low-powered hydraulic boosters transferring commands to the third phase.
The aileron control system, of irreversible servo-control type, is composed of a hydraulic booster, an artificial-feel device, a feel trim actuator and a rigid push-rod transmission mechanism.