The storage situation of coal and gas, and the actual mining road arrangement in Qianling coal Mine are introduced.
介绍了前岭煤矿的煤层及瓦斯的赋存情况，回采巷道的布置情况。
Applying combined mining new technology, the actual mining, manage and fire-protection in mining area have made remarkable economic benefit.
采用综放新技术，使采区在回采、管理、防火等方面取得了显著的经济效益。
According to the actual mining experience for many years points out a few aspects should be noticed during the floor tunnelling construction.
作者根据多年从事掘进工作的经验，指出了底板道掘进施工中应注意的几个问题。
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