booster relay

基本解释

Booster relay, Air-valve, Lock-valve, Speed-controller, Position transmitter…
增速器、气控阀、锁止阀、调速器、阀位变送器…
E/P Positioner, P/P Positioner, Air-set, Booster relay, Air-valve, Limit switch, Solenoid valve, Lock-valve, Speed controller, Position transmitter, etc.
定位器、P/P定位器、空气过滤减压阀、气动加速器、气控阀、限位开关、电磁阀、闭锁阀、速度控制器、阀位传送器等。
E/P Positioner, P/P Positioner, Air-set, Booster relay, Air-valve, Limit switch, Solenoid valve, Lock-valve, Speed controller, Position transmitter, Air tank etc.
定位器、P/P定位器、空气过滤减压阀、气动加速器、气控阀、限位开关、电磁阀、闭锁阀、速度控制器、阀位传送器、储气罐等。

Laura Bush, coming in the choppy wake of Hillary Clinton, sought to avoid the relay circuits of power, and played the role of quiet booster.
NEWYORKER: State of the Union