漂浮烟雾信号 [水运] buoyant smoke signal
橙色烟雾信号 orange smoke signal
爆炸性烟雾信号 explosive smoke signal
自燃橙色烟雾信号 self-activating orange smoke signal
非爆炸性烟雾信号 non-explosive smoke signal
救生圈自发烟雾信号 [安全] [水运] lifebuoy self-activating smoke signal
救生圈用橙色烟雾信号 Orange smoke signal for lifebuoys
火警烟雾气管信号系统 pneumatic tube fire alarm system
烟雾呼救信号 smoke distress signal
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