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我国西部高原的江河,在地形复杂的丛山峻岭间奔腾,落差大,水流湍急,滩礁险突,一般木船无法行驶。为了方便济渡运输,当地的各民族同胞自古及今都使用一种特殊的水上交通运输工具——皮筏。
The rivers and lakes in the western plateau of our country are swirling in the complex mountainous terrain. In order to facilitate the economic transport, the local ethnic compatriots all over the world have used a special type of water transport, the leather raft.