distress signal
短語詞組
- parachute distress rocket signal 降落繖遇險(xiǎn)火箭信號(hào);跳繖火箭求救信號(hào)
- red star distress rocket signal 紅星遇險(xiǎn)火箭信號(hào)
- pyrotechnical distress signal 菸火遇險(xiǎn)信號(hào)
- misuse of distress signal 誤用遇險(xiǎn)信號(hào)
- smoke distress signal 菸霧呼救信號(hào)
- plant distress signal 植物求救信號(hào)
- personal distress signal unit 珮帶者不適信號(hào)裝置
- automatic distress signal 自動(dòng)遇險(xiǎn)信號(hào)
- distress signal rocket [水運(yùn)]遇險(xiǎn)信號(hào)火箭 返回 distress signal