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单选题
When the helm demands a 20°right rudder movement from an electro-hydraulic steering gear, which of the listed actions will be the FIRST action to happen when this rudder position is attained?()
A

The six-way valve opens

B

The steering service pump motor is stopped

C

The follow-up gear takes the pump off stroke

D

The cylinder relief valves bypass oil to the suction side the pump


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