短語詞組短語smoke distress signal 菸霧呼救信號smoke signal bomb 菸幕信號彈buoyant smoke signal 可浮菸火信號;[水運]漂浮菸霧信號orange smoke signal 橙色菸霧信號transmittance of smoke signal 菸霧信號透過率Orange smoke signal for lifebuoys 救生圈用橙色菸霧信號self -activating orange smoke signal 自燃橙色菸霧信號lifebuoy self -activating smoke signal [安全][水運]救生圈自發(fā)菸霧信號 返回 smoke signal