sub-soil water 地下水 ; 次干管
soft sub-soil 软底土
sub-soil slope 类土质边坡
sub-soil corrosion 土下溶蚀
sub-soil dissolution 土下溶蚀
Reduce sub-soil compaction 减少土壤压实
sub humid soil [土壤] 亚湿土
Soil sub 下层土壤
N-UNCOUNT The subsoil is a layer of earth that is just below the surface soil but above hard rock. 下层土; 底土 [also 'a' N]
...the chalk subsoil on the site.
...工地的白垩底土。
Seismic design for PHC pipe piles in coastal liquefaction soft sub-soil was discussed.
探讨了沿海软土液化地基PHC管桩的抗震设计。
Certainly geothermometry will be used with greater facility in sub-soil exploration and in detecting migrant fluids.
能够肯定，地热测量法在地下勘探和测试运移流体方面更便于使用。
This paper presents centrifugal analogous model of the sub-soil slope and associated matching scales of some parameters.
推导了边坡坡体及锚固体的离心相似模型，得出了相关参数的相似比尺。
Corn harvests remain small. The researchers say farming methods in Sub-Saharan Africa need to improve or else poor quality soil will increase rural poverty.
VOA: special.2009.07.28
The project for sub-Saharan Africa is to be part of a worldwide soil-mapping project.
VOA: special.2009.01.20
The organization will describe the soil in 42 nations in the sub-Saharan area.
VOA: special.2009.01.20
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