impermeable barrier不透水煤柱;[流]不透水层;不渗透边界 impermeable layer不透水层;补透水层 impermeable soil不透水性土壤;不透水土壤;不渗透性土壤 ..
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clay impermeable layer 黏土防渗层
relative impermeable layer 相对隔水层
bottom m impermeable layer 下封闭层
HDPE membrane impermeable layer HDPE膜防渗层
It is feasible that replacing soil line with Bentonite-sand mixture as low hydraulic conductivity of the Sanitary Landfill impermeable layer.
膨-砂复合土代替低渗透率的粘土作为卫生填埋场的防渗层可行。
参考来源 - 卫生垃圾填埋场中膨—砂复合土渗透特性研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The impermeable layer has aged, we must find someone to repair it.
渗层已经老化，要请人来修理了。
Design of impermeable layer is the central issue; construction should guarantee the design requirements with the highest quality.
设计的核心内容是防渗层，对施工的要求是要确保高质量地满足设计要求。
When confined aquifer under the bottom of the pit, the foundation excavation will reduce the thickness of overlying impermeable layer.
在基坑底部以下存在承压水层的情况下，基坑开挖减少含水层上覆不透水层的厚度。
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