drift sand
英 美
The thatched cottage was submerged by drift sand.
这个茅草屋被流沙淹没了。
A simple, feasible and economic way is introduced to construct the inclined shaft cross drift sand.
介绍一种简便、易行、经济、实用的斜井施工通过流砂层的方法。
The contents of soil microelement of each plot are low, which reason is the low contents of drift sand.
流沙中各微量元素含量较低是各处理土壤微量元素含量低的决定因素。
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