救生浮一般由泡沫塑料制成，在海上温度或气候变化时，能保持其浮性和耐久性。
定义 中文名称： 救生浮 英文名称： life float 定义： 四周以方形或园形截面浮体构成，当中设有绳网或木格栅的救生浮具。可支浮一定数量的落水人员攀附待救。 应用学科： 船舶工程（一级学科）； 船舶舾装（
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救生圈附件，如自亮灯浮，烟火信号和安全绳等，均安放连接正确，并可立即使用。
Attachments of lifebuoys, such as self-igniting lights, smoking signals and safe lines, are correctly connected and ready for immediate use.
你有浮潜用具和救生衣？
有两个带有30m长的救生索，另外至少有5只带有自亮浮灯，其中2只有自亮浮灯和自发烟雾信号，还有2只带救生绳。
Two of them with 30m length lifeline and at least 5 of them have - self-ignting lights, among that 2 of them with self-igniting light and self-activity smoke signal, and 2 of them with life line.
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