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Terms for subject Engineering geology containing 封层 | all forms | in specified order only
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封层capping layer
封堵漏失层plugging thief zone
封层seal course
封层blinding course
封闭储水层confined reservoir
封闭地层confining stratum
封闭层confining layer
封闭层confined bed
正封闭层positive confining bed
沥青封层asphalt seal coat
渗透性封闭层permeable confining beds
薄膜封闭土层membrane-enveloped soil layer