siren buoy

同义词释义

1)siren buoy,装笛浮标2)whistling buoy,号笛浮标3)trumpet buoy,雾笛浮标4)whistle buoy,汽笛浮标5)light-and-whistle buoy,灯光呜笛浮标6)bell-and-whistle buoy,钟响呜笛浮标