countercurrent exchange

mechanism occurring in nature and mimicked in industry and engineering

en-GB/kaʊntəkʌɹənt ɛksˈt͡ʃeɪnd͡ʒ/
en-US/ˈkaʊntɚˌkɝɹənt ɪksˈt͡ʃeɪnd͡ʒ/

زمرے:

principle