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为什么会发生山地hua坡

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为什么会发生山地hua坡?

山地hua坡是山坡上泥土移动的一zhong自然现象。山地hua坡的主要原因,是山坡上的岩石层和土层受到地下水和雨水的侵蚀及河liu的冲刷,慢慢与倾斜的山坡脱离开。到了一定的时候,这些岩石和土层就开始向下移动,于是就形成了山地hua坡。

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