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流域

HSK7-9n
0 · Lv.1
liúyù

lưu vực; lưu vực sông

river valley/basin; drainage area/basin 长江 流域 Yangtze River Valley 流域 综合治理 comprehensive reclamation of the river basin 流域 水文地理 watershed hydrogeography 流域 面积 drainage area 流域 分界线 drainage divide 流域 范围 basin perimeter

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