smoke signal
短語詞組
- 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