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扬歌海上:大流域应该少见,但小流域的范围应该有可能,比如同一条河流的两个不同支流都在一个乡内。 (2014-12-22 16:20)
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图片:洛南县2.jpg
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galilyue:苏北故黄河两岸应该有不少,一个乡镇被黄河故道分为沂沭泗和淮河两块 (2014-12-22 18:14)
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