1.
This topsoil tends to wash away.
表层土壤要冲掉了。
2.
Heavy rains washed the topsoil away.
大雨把表层土冲蚀掉了
3.
Study on Forecast Model of Lower Layers by the Soil Moisture of Surface Layer;
表层土壤水分预测下层土壤水分的模型研究
4.
The Structure Status and Effect of Topsoil in Loess Plateau;
黄土地区表层土壤结构状况与效应研究
5.
Effect of Addition of TiO_2 and the Thickness of Surface Soil on Photodegradation of Carbendazim Therein
表层土添加TiO_2与土壤厚度对多菌灵光解的影响
6.
rainwater washes topsoil into rivers and sands,
雨水把表层土壤冲进河流和沙地，
7.
These soils are well developed and contain a subsurface horizon in which clays have accumulated.
发育良好，土表下有一层粘土淀积土层。
8.
The upper part of the soil.
表土土地、土壤表面的一层
9.
treatment of concrete surface defect
混凝土表层破坏处理
10.
The results showed that the REEs contents in the C horizon the soils were the highest,but Ce was relatively concentrated in A horizon.
结果表明 ,土壤剖面层的底土层含量最高 ,但表土层铈相对富集 .
11.
To remove the surface layer of soil from(land.
去掉表土将土壤最上面的一层从（土地上）清除掉
12.
immediately below the A-horizon; contains deposits of organic matter leached from surface soils.
土壤中的第二层即表层之下的土层；由通过土壤表层过滤得到的有机物组成。
13.
A sticky, bluish - gray subsurface layer of clay found in some waterlogged soils.
潜育土一种蓝灰色表层下的胶粘的粘土层，见于某些渍水土壤中
14.
Granite with manganese. Porous top layer provides good drainage.
含锰的花岗岩土层，表层多孔使排水性良好。
15.
Study on the Law of Movement and Failure of Overlying Rock in Shallow Seam Mining under Thick Clay Layers;
地表厚土层浅埋煤层覆岩运动与破坏规律研究
16.
Slippery Mold Construct of Internal Shaft Lining in Freezing Shaft on Large Sectio Thick Surface Soil
大断面深厚表土层冻结井筒内层井壁滑模施工
17.
Mathematical model of "arch beam" of thick sandy soil layer movement in shallow seam
浅埋煤层地表厚砂土层“拱梁”结构模型研究
18.
Study on the CaCO_3 Content Characteristics in Conterminous Region of Beijing,Tianjin and Hebei
京津冀接壤区土壤表土层中碳酸钙的分布规律