问题
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___________ you busy with the Singles Day?A、WillB、BeC、Are
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You are on a single-screw vessel with a right-handed propeller,and you are making headway.
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It is easier to dock a right-hand,single-screw vessel ().A.Starboard side to the wharfB.Ei
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When shall the stand-on vessel in a crossing situation take action to avoid the other vess
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On opposite ends of a single shaft of a turboblower are a gas driven _____ and a air compr
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The effect known as bank cushion acts in which of the following ways on a single-screw ves