smoke signal
短语词组
- smoke distress signal 烟雾呼救信号
- smoke signal bomb 烟幕信号弹
- buoyant smoke signal 可浮烟火信号;[水运]漂浮烟雾信号
- orange smoke signal 橙色烟雾信号
- transmittance of smoke signal 烟雾信号透过率
- Orange smoke signal for lifebuoys 救生圈用橙色烟雾信号
- self -activating orange smoke signal 自燃橙色烟雾信号
- lifebuoy self -activating smoke signal [安全][水运]救生圈自发烟雾信号 返回 smoke signal