[救生圈]自燃灯  self igniting buoy light

U形救生圈  horseshoe life buoy

短裤形救生圈  breeches buoy

救生圈的数目  Number of lifebuoys

救生圈灯  water light; lifebuoy light

救生圈浮力试验  buoyancy test for lifebuoy

救生圈上烟火信号  Holmes self-igniting signal light

救生圈绳  life line

裤形救生圈  breeches buoy

连裤救生圈  breeches buoy

马蹄铁形救生圈  horseshoe liftbuoy

马蹄形救生圈  horse shoe life buoy

泡沫塑料救生圈  plastic foam lifebuoy

铜壳救生圈  Franklin lifebuoy

形救生圈  horseshoe life buoy U

夜间救生圈  night life buoy

[救生艇用]急救箱  boat box

安全救生高度  save life height

半连环状救生索  becketed life line