clay lenses
... pond systems 池塘系统 clay lenses 粘土防渗层 depth 深度 ...
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... ellipse of inertia 惯量扁圆 earth blanket 粘土防渗层 earthquake induced failure 地动毁害 ...
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·2,447,543篇论文数据，部分数据来源于NoteExpress
煤料和石灰石存放场必须有底部防渗系统。该系统可由粘土层、地质处理用膜层、或其他防渗材料组成。
The coal and limestone storage yard must have a bottom impermeabilization system. This system may be constituted by a clay layer, a geomembrane layer, or other impervious material.
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