English AGROVOC
BT
Separating
RT
Dialysis
RT
Membranes
RT
Osmosis
RT
Semipermeable membranes
RT
Ultrafiltration
RT
Water purification
(Lao)
ການແຜ່ຊືມກັບ
(French)
Osmose inverse
(Spanish)
Ósmosis inversa