It is suggested that the plenum ventilation should be first adopted in principle in the ventilation planning of uranium mines. 建议铀矿井通风工程设计中应优先采用压入式通风方式。
With respect to aspirating ventilation, computing method is discussed to analyze the concentration of blasting fumes in stagnation area. 并针对吸出式通风，讨论了可能出现的炮烟停滞区中炮烟浓度的计算方法。
