Aranan: terfi sistemi upgrading /ʌpˈɡreɪ.dɪŋ/ Giriş yap, bu kelimeyi “Kelimelerim”e ekle. Çeviriler isim system's General upgrading Trade/Economic Tanımlar (İngilizce) fiil present participle and gerund of upgrade isim The process by which something is upgraded.