表土蠕动  Soil creep

成层土层  layered-soil

冻土蠕动  frost creep

扰动土层  Disturbed soil

土层层序  soil stratigraphic sequence

土层土壤  Soil

断层蠕动  fault creep

断层蠕动效应  effect of fault peristalsis

气动蠕动式  pneumatic worming

1.积水地的水底土层2.荖叶  Pan

10层土壤模式  10 layers soil model

1m土层NO3--N  NO3- --N contents at 1 m soil depth

A层土壤  Layer A soil

暗黄色土层  dingy yellow horizon

半承压含水土层  semi-confined aquifer

包气带土层  vadose zone

饱和粉细砂土层  saturated fine silty sand ground

饱和砂土层  saturated sandy soil

饱和粘土层  saturated clay layer