Countercurrent exchange
[bs] Protivstrujna razmjena
[ca] Intercanvi a contracorrent
[de] Gegenstromprinzip (Verfahrenstechnik)
[es] Intercambio por contracorriente
[fa] تبادل متقابل
[he] מנגנון זרימה נגדית
[it] Scambio in controcorrente
[nl] Tegenstroomprincipe
[nb] Motstrømsprinsippet
[pt] Troca em contracorrente