The Lanchang river is an international river and its rich water power resources in Qinghai province has yet to be developed.
澜沧江为国际河流，在青海境内有着极其丰富的水能资源有待于开发利用。
Being the sources of the Yangtze River, Yellow River and Lanchang River, Qinghai province is featured with severe water, wind and frozen erosion, which often happen in complex patterns.
青海省是长江、黄河、澜沧江的发源地，水蚀、风蚀和冻融侵蚀都较严重并呈复合型出现。
Being aware of the distribution of Tricula snails in the basin of Lanchang River (the upper reaches of Mekong River) in Yunnan Province of China, investigations were carried out since 1981.
由于以往已了解到湄公河上游中国云南境内澜沧江流域有拟钉螺分布，故自1981年开始进行调查。
Being aware of the distribution of Tricula snails in the basin of Lanchang River (the upper reaches of Mekong River) in Yunnan Province of China, investigations were carried out since 1981.
由于以往已了解到湄公河上游中国云南境内澜沧江流域有拟钉螺分布，故自1981年开始进行调查。
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