风沙危害和水土流失严重。
北疆铁路沿线存在着严重的风沙危害。
Blown sand activities is threatening north Xinjiang railway.
山区水土流失治理程度达到70%以上,风沙危害区沙荒地治理率达到100%。
Moreover, over 70% of the soil erosion in the mountainous area and 100% of sandy bare land should be controlled.
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