单选题If a severe leak develops in the electro-hydraulic steering gear unit is necessary when（）ALoss of vessel steeringBOverheating of the gyrocompassCJamming of the six-way valeDJamming of the follow-up device
单选题
If a severe leak develops in the electro-hydraulic steering gear unit is necessary when（）
A
Loss of vessel steering
B
Overheating of the gyrocompass
C
Jamming of the six-way vale
D
Jamming of the follow-up device
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相关考题：
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