【判断题】
A、air bottle for breathing B、orange smoke canister C、whistle,light and retroreflective material D、sea dye marker
A、air bottle for breathing B、whistle and light C、whistle,light,and reflective tape D、whistle,light,and sea dye marker
A、air bottle for breathing B、whistle and hand held flare C、whistle,strobe light and reflective tape D、whistle,hand held flare and sea dye marker