A、that the vessel is anchored
B、to request the draw span of a bridge to be opened
C、of distress
D、that the vessel is broken down and drifting
更多“Continuous sounding of a fog whistle by a vessel is a signal（）.”相关的问题
A、a continuous ringing for 10 seconds B、one short ring followed by one long ring C、two long rings of at least 20 seconds D、a continuous ringing until the fire is extinguished
A、a continuous ringing for 10 seconds B、one short ring followed by one long ring C、two long rings of at least 20 seconds D、a continuous ringing until the fire is extinguished
A、Red flares or red rockets B、Continuous sounding of fog signaling apparatus C、International Code Flags November and Charlie D、Basket hanging in the rigging
A、Red flares or red rockets B、Continuous sounding of fog signaling apparatus C、International Code Flags November and Charlie D、Basket hanging in the rigging
A、the vessel is in distress B、the vessel has completed loading dangerous cargo C、it is safe to pass D、the vessel is anchored
A、MAYDAY sent by radiotelephone B、Continuous sounding of fog horn C、Green star shells fired from a launcher D、Square flag and ball in a vertical line
A、the vessel is in distress B、the vessel has completed loading dangerous cargo C、it is safe to pass D、the vessel is anchored
A、Red flares or red rockets B、Continuous sounding of fog signaling apparatus C、International Code Flags "November" and "Charlie" D、Basket hanging in the rigging
A、A.MAYDAY sent by radiotelephone B、B.Continuous sounding of fog horn C、C.Green star shells fired from a launcher D、D.Square flag and ball in a vertical line
A、A continuous sounding of the fog horn B、Firing a gun every minute C、Five or more short rapid blasts on the whistle D、A square flag and ball flown from the mast
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