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表层土
dril. aggradation; mantle rock
eng.geol. surface soil; surficial material; top soil
hydroel.st. topsoil
tech. anthropic soil (壤); surface soil (壤); topsoil (壤); veneer of soil (壤)
表层土: 95 phrases in 20 subjects
Agriculture9
Architecture2
Bridge construction5
Construction1
Desert science4
Drilling2
Earth sciences5
Ecology10
Electronics1
Engineering geology3
General5
Hydraulics1
Hydroelectric power stations3
Hydrology1
Metallurgy3
Natural sciences1
Oil / petroleum1
Soil science2
Technology35
United Nations1