单选题The required rudder angle is transmitted hydraulically or electrically from the steering wheel at the bridge to the （）at the steering gear, just above the rudder.AtransmitterBtele-motorChydraulic ramDhydraulic cylinder
单选题
The required rudder angle is transmitted hydraulically or electrically from the steering wheel at the bridge to the （）at the steering gear, just above the rudder.
A
transmitter
B
tele-motor
C
hydraulic ram
D
hydraulic cylinder
参考解析
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