Việt
dòng chảy ngầm
Anh
ground water flow
percolation
seepage
Đức
Durchsickerung
Sickerung
Pháp
cheminement
ground water flow,percolation,seepage /SCIENCE/
[DE] Durchsickerung; Sickerung
[EN] ground water flow; percolation; seepage
[FR] cheminement; percolation