In an electro-hydraulic steering system, under movement is maintained in close synchronization with the steering wheel position by means of the （）.<br>A:trick-wheel<br>B:follow-up control<br>C:six-way valve<br>D:Rapson slide

In an electro-hydraulic steering system, under movement is maintained in close synchronization with the steering wheel position by means of the （）.
A:trick-wheel
B:follow-up control
C:six-way valve
D:Rapson slide

出自：海船船员证

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