本实用新型涉及矿井井下各类带式输送机巷道防水闸门即时关闭的系统。
The utility model relates to a system used for immediately closing a waterproof gate of various belt conveyor tunnels in the mine well.
建造防水闸门硐室，进行水平、区上下组煤隔离，是预防水患普遍采用的方法。
A construction of the water dam chamber for isolation between horizontal and up and down seam in a mining district is one of the comment water prevention and control methods.
建造防水闸门硐室，进行水平、区上下组煤隔离，是预防水患普遍采用的方法。
A construction of the water dam chamber for isolation between horizontal and up and down seam in a mining district is one of the comment water prevention and control methods.
应用推荐