1·The precise counting method of dilution in the actual mining process based on 3d database was studied.
研究基于矿山3d数据库实际采矿过程中损失贫化的精确计算方法。
2·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。
3·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。
4·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。
5·The technology experience of passing stone gate actual mining in combined mining thick coal seam and economic benefit in Xinan coal mine are introduced.
介绍了新安煤矿厚煤层综采跨石门回采的技术经验及取得的经济效果。
6·The bolting with wire mesh is commonly used actual mining roadway of the thick coal seam, and in some cases the cabling reinforcement should be considered.
采用锚网支护方式维护厚煤层放顶煤沿底回采巷道时，多数需要考虑锚索加固问题。
7·Soft and thin-bedded characteristics and dynamic load action from mining and blasting shock are some basic features of the actual mining roadways in coalmine.
围岩松软、呈层性显著以及受爆破震动和开采动载的反复作用是回采巷道的基本特征。
8·Expounded support key problems of soft rock actual mining roadway and probed into the support pattern along with improvement support methods for mining roadway.
阐述了软岩层回采巷道支护的关键问题，对不同岩性的回采巷道支护方法及改进方向进行了初步探索。
9·The dynamic analysis for the deep- ocean mining system can provide theoretical explanation and technical reference for the design and operation of actual mining system.
对深海采矿系统进行动力学分析，可以为系统的研制和开采（试验）作业提供理论依据和技术参考。
10·Based on the multiple problems existing in design of bolting support in Datun mining Area nowadays, the parameters of bolting (cabling) with wire mesh in actual mining...
在综合讨论大屯矿区现用锚网支护设计方法尚存问题的基础上，对厚煤层放顶煤沿底回采巷道的锚网(索)支护参数设计方法进行了全面分析。