图们江上游水流湍急，中下游河段蜿蜒曲折，很多弯道角度甚至达到了60°以上，河段短而急促。

来源: thore 于 2026-03-17 13:08:20 [旧帖] [给我悄悄话] 本文已被阅读：次

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