动力系统 Traditional 動力系統 dòng lì xì tǒng 🔊 propulsion system + Review this word Meanings dòng lì xì tǒng 動力系統 propulsion system(math.) dynamical system Its characters 动dòngto moveHSK 2力lìpowerHSK 5系xìto connectHSK 5统tǒngto gather