A、at all times
B、in the bottom return mode
C、in the volume reverberation mode
D、only when there is no current
更多“A Doppler speed log indicates speed through the water（）.”相关的问题
A、speed being made good B、speed through the water C、the set of the current D、the depth of the water
A、at all times B、in the bottom return mode C、in the volume reverberation mode D、only when there is no current
A、at all times B、in the bottom return mode C、in the volume reverberation mode D、only when there is no current
A、speed being made good B、speed through the water C、the set of the current D、the depth of the water
A、A.velocity of the current B、B.bottom characteristics C、C.depth of the water D、D.speed over the ground
A、A.velocity of the current B、B.bottom characteristics C、C.depth of the water D、D.speed over the ground
A、A lightly laden vessel requires as much stopping distance as a fully laden vessel when the current is from astern B、A vessel is dead in the water when the back wash from astern operation reaches the bow C、A tunnel bow thruster can be used in an emergency to reduce the stopping distance D、When a vessel is dead in the water any speed displayed by doppler log reflects the current
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