汽笛信号 meaning in English
siren signal
whistle signals
whistlesignals
Examples
- In case of narrow water passageway , a vessel must give siren signal to show its intention of getting over the other vessel . 2 long , 2 short : vessel will get over on the left
在狭窄水道或航道互相见到时，船舶如欲追越另一艘船时，必须发出以下汽笛信号，将意向表明：