Impervious clay soils may exclude any system dependent upon seepage.
不透水黏土，排除所有依靠渗透原理的厕所系统。
Large deformation was induced in soils of a certain reservoir bottom during the first water impounding, and resulted in cracks in the asphalt concrete impervious face.
某水库库底地基变形较大，蓄水初期曾引起库底沥青混凝土防渗护面开裂。
Large deformation was induced in soils of a certain reservoir bottom during the first water impounding, and resulted in cracks in the asphalt concrete impervious face.
某水库库底地基变形较大，蓄水初期曾引起库底沥青混凝土防渗护面开裂。
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