多爾溝（又名多兒溝），是中國長江流域的一條河流，匯入白龍江上游右岸，屬於嘉陵江水系。河長66千米，流域面積1052平方千米，多年平均流量14立方米每秒。自然落差1490米。水能理論蘊藏量6萬千瓦。[1]
參考文獻
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