Fire extinguishing in fire area and technique against re - combustion after continuous mining in haizhou shaft 海州立井火区灭火及续采防复燃技术
Discussion on optimization of the through survey scheme for the discharge airshaft in qianqiu coal mine 千秋煤矿回风立井贯通测量方案的优化体会
Causes analysis of shaft wall damage in yan - teng mining district and its prevention and contyolling method 兖滕矿区立井井壁损坏的原因分析及防治方法
Study on hoist and transport equipment protective device in wangjiazhai coal mine and its safe operation protecting way 型多盘式摩擦缓冲装置在立井提升中的应用
Testing research on the structural characteristics of a type of steel structure of compressible lining joint for shafts 立井衬砌钢结构竖向可缩接头性能试验研究
Numerical simulation in adopting liquefacient nitrogen depress temperature and fire for 3315 face of haizhou shaft coal mine 海州立井3315工作面液氮降温灭火数值模拟
Talking about application of suspending plate and hydraulic mode - plate car concentrating control device in shaft sinking construction 浅谈立井凿井施工吊盘及液压模板稳车集控装置应用
The problems of the signal transmission in a shaft have not been solved because the transmission environment is very bad 煤矿立井井筒的信号传输，由于其传输环境特殊，一直没有很好地解决。
Suitable for vertical well drilling goisting , cage channel of vertical well drilling , port load and unload derrick , and tower crane 适用于开设立井提升、立井罐道港口装卸起重机、建筑用塔式起重机。
Gontrasting the stress distribution data simulated by flac with actually measured data from scene of coal gas , we have obtained the rule of stress distribution around working face 分析了立井揭穿突出煤层的危险性，得到了在立井揭穿煤层过程中。
