救生圈能提供自亮灯和自发烟雾信号供白昼和黑夜使用并相等地分布在船舶两舷A lifebuoy is provided with self-igniting light and self-activating smoke signal which is available for use by dayand at night and to be equally distribu-ted on both sides of the ship. |
发烟时间>15min Somke Duration 发光强度≥2cd Luminous Intensity |
能源时间≥2h Period of Energy Source |