main fanner is an important equipment of a mine, whose capability directly affects the reliability, stability, security and economy of the mine「s ventilation system.
主要通风机是煤矿的重要装备,其性能好坏直接影响矿井通风系统的可靠性、稳定性、安全性和经济性;
main fanner is an important equipment in mine , whose capability directly affects the reliability , stability , security and economy of the mine」s ventilation system .