单选题An AC synchronous transmission type remote steering control system consists of a （）.Atransmitter at the steering station and a receiver at the steering engineBreversible motor at the steering station geared to the steering pumpsCsmall induction motor on the bridge which controls the redder through pulleysDvariable displacement hydraulic pump driven by a reversible DC motor
单选题
An AC synchronous transmission type remote steering control system consists of a （）.
A
transmitter at the steering station and a receiver at the steering engine
B
reversible motor at the steering station geared to the steering pumps
C
small induction motor on the bridge which controls the redder through pulleys
D
variable displacement hydraulic pump driven by a reversible DC motor
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