Soil layer distribution  土层分布

2-layer soil  双层土壤

a finite soil layer  有限土层

Active soil layer  活土层

annular soil layer  环状土层

Backfill soil layer  回填土层

black thin-layer soil  薄层黑土

Cavities in soil layer  土洞

Clay-layer soil  (土娄)土; 土

cohesive clay-layer soil of riverbank  河岸粘性土层

constitution of soil layer  土层构造

covering soil layer inside levee  堤内压盖

DEEP SOIL LAYER  深部土层

Desiccated soil layer  土壤干层

desiccation of deep soil layer  土壤干层

Double Layer Soil Foundation  双层地基

double-layer soil  双层土壤

double-layer soil foundation  双层地基

double-layer soil reflection coefficient  双层土壤反射系数

dredger fill soil layer  吹填土层