Anh
heavy soil
heavy bottom
Đức
schwerer Boden
dicker Boden
Pháp
sol lourd
fond épais
schwerer Boden /SCIENCE/
[DE] schwerer Boden
[EN] heavy soil
[FR] sol lourd
dicker Boden,schwerer Boden /INDUSTRY,INDUSTRY-METAL/
[DE] dicker Boden; schwerer Boden
[EN] heavy bottom
[FR] fond épais