Up to now grouting parameters for the porous surrounding rocks, depended on the penetrating coefficient for shallow surface soil, is unfit for the deep surface soil grouting.

目前孔隙性围岩注浆参数大多是根据浅表土的渗透系数确定的，这不适合深层土注浆。

youdao

Of artificial pollution, it only impacted on the soil layers at surface and resulted in its high manganese, while the deep soil layers are similar to those without contamination.

人为污染主要影响土壤表层，以表层土壤中高锰为特征，其深层土壤中锰与无污染状态相似。

youdao

Taproot long-cylindric, deep-rooted with a slender and elongated stem to soil surface.

直根长圆筒状的，根深具一纤细和拉长的茎达土壤表面。

youdao

It comes from a garden wholesaler, which provides the high quality soil, taken deep beneath the earth's surface -- 10 meters down, in fact.

CNN: Tokyo restaurant dishes up the dirt