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Dual electro-hydraulic steering units usually operate ______．
A.With both pumps on line at the same time
B.With one pump on standby
C.With the follow-up gear disconnected
D.Only when the rudder is moved amidships
参考答案
更多 “ Dual electro-hydraulic steering units usually operate ______．A.With both pumps on line at the same timeB.With one pump on standbyC.With the follow-up gear disconnectedD.Only when the rudder is moved amidships ” 相关考题
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only when the rudder is moved amidships
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