A.the main S-W pump
B.ballast pump
C.air-conditioning water pump
D.the main S-W pump or ballast pumps that have the biggest output
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A.the harbor bureau
B.the government of the flag state
C.the ship classification society
D.ship company
A.maritime safety administration
B.ship survey bureau
C.company manager
D.captain
A.captain
B.chief engineer
C.chief engineer and captain consult together
D.chief engineer and superintend consult together
A.if the ship must be stand by
B.if M-E should be stopped
C.if keep-watching as in voyage
D.if the ship must anchor two anchors
A.in/ut port
B.passing through big bridge
C.big steering angle for direction changing
D.in/out port and passing through big bridge
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To proceed to the assistance of a ship in distress is（）