西侧的山麓布满了无数灰褐色的冲刷沟，那时岩浆和泥石流所经之处留下的痕迹(lahars，爪洼语里火山泥流之意)。
The western slopes are streaked with innumerable gray-brown gullies, the paths of lava and mudflows (lahars).
但是现在的情景却很不同，有了冰川和大河及地表深处隆隆奔腾的河流冲刷而成的千沟万壑。
But now the picture is very different with mountains and valleys carved by mighty glaciers and torrential rivers rushing and rumbling deep underground.
从泥石流体流变特性的分析入手，深入地探讨了蒋家沟泥石流阵性流的淤积和冲刷特征。
Proceeding from rheological properties of debris flow, the erosion deposit properties of debris flow surges in Jiangjia Ravine are discussed.
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