When the helm is turned on the navigation bridge,which of the listed actions will be the FIRST response in the steering room on a ship equipped with an electro-hydraulic steering gear ________.
A.
The pumps go to full stroke
B.
The six-way valve aligns itself with the running pump
C.
Both port and starboard cables are energized
D.
The synchronous receiver turns,duplicating the helm motion
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参考答案:
举一反三
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