高压透气度测试仪经检验合格产品，用于测量低透水性材料的孔隙度、透气度和气阻。
High Pressure Densometers are the accepted standard for measuring the porosity, air-permeability or air-resistance of materials having low permeability.
充分利用疏浚土有机质含量高、吸附能力强和低透水性等特点，将其作为填埋场粘土衬垫的添加材料。
Due to the high organic content of dredged soil, its ability to adsorb various contaminants such as heavy metals warranted an investigation of its use in clay liner of landfill.
软土地基的土质具有粘性大，透水性差，含水量大，承载力低，沉降量大，土层结构复杂等特点。
The soft soil is featured by big viscosity, bad water permeability, big water content, low bearing capacity, big settlement and complex soil layers.
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