摘要
通过讨论矿井回风大巷断面与矿井生产营运成本之间的内在联系,提出一种优化设计矿井回风大巷巷道断面的途径。
Analyses inside contact between the mineral well return tunnelcross section and the mineral wells productions cost, puts forward a kind of path that excellent to design the mineral well returns tunnel cross section.
出处
《科学之友》
2007年第2期5-5,7,共2页
Friend of Science Amateurs
关键词
矿井
巷道断面
经济效益
mineral well
tunnel cross section
economic performance
