救生圈

• I threw a life buoy to him when i saw his struggling
  看到他在挣扎，我给他扔了一个救生圈过去。
• What do you know about blowing buoys
  你吹救生圈怎么样？
• Orange smoke signal for lifebuoys
  救生圈用橙色烟雾信号
• Lifebuoys - requirements , tests
  救生圈.要求和试验
• Self - igniting light for lifebuoys
  救生圈用自亮浮灯
• Lifebuoy with light and smoke
  带灯和烟雾信号救生圈
• Lifebuoys - requirements , tests
  救生圈.要求和试验
• Rescue equipment - rescue loops
  救生设备,救生圈
• Limit lifebuoy introduction
  极限救生圈游戏攻略
• Inland navigation . lifebuoys
  内河航行.救生圈