[KongchangAI]
Unverified88% confidenceFactTime unknown

SOLAS标准要求:降落伞信号发光强度≥30000cd、升空≥300米、燃烧≥40秒;手持火焰信号≥15000cd、燃烧≥60秒;橙烟信号有效发烟≥3分钟

1
Sources
88%
Confidence
Long-term
Relevance
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First Seen

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