shield mining的例句大全

Pillar Mining of Rock Cross-cut with Pseudo-sloping Flexible Shield

伪倾斜柔性掩护支架开采石门煤柱

Obvious benefits were introduced to replace the means of chamfering demolition mining by shield support mining.

介绍用掩护支架采煤代替斜切爆破采煤法的显著效益。

Analysis and handle some question and hitch in the mining coal face of hydraulic powered shield supports

掩护支架工作面问题分析和故障处理

Application of Remote Controlled Face End Hydraulic Powered Shield Support to Rapid Removing of Fully Mechanized Longwall Mining Face Equipment

遥控式端头掩护支架在综采面快速回撤中应用

Characteristics and Prevention Technology of Spontaneous Combustion in Goaf Area of False Dip Longwall Mining Face with Flexible Hydraulic Powered Shield Support

伪倾斜柔性掩护支架工作面采空区自然发火特点及防治技术

Beside on the overall analysis of used hydraulic powered shield supports mining face accident of casualties in Huainan mining group company 1988~ 2002 year, The basic concern situation and analysis and chide by model accident of casualties, The put forward prevention measure.

对淮南矿业集团伪倾斜柔性掩护支架采煤工作面1988～2002年间发生的伤亡事故进行了全面的分析研究，并在此基础上，论述了典型伤亡事故的相关情况、原因及其教训，提出了防范措施。

underground lighting in hardcoal mining - lighting-technological planning bases - part 2: coalfaces with shield support

烟煤地下开采照明.照明.技术规划基础.第2部分：带掩护支架的采煤工作面

industry: reducer, gearbox; centrifugal pumps; magnetic drive pump, shield pump; cutting class; mining geophysical instruments;

所属行业：减速机、变速机；离心水泵；磁力驱动泵、屏蔽泵；金属切削类；矿业物探仪器；；

calculations of high seam mining shield working resistance under "hard roof and coal" conditions

“两硬”条件大采高液压支架工作阻力计算

Developed a special shield support for fast withdrawing mining face.

神东分公司研发了专用掩护支架,实现采面快速回撤工艺.

Safety and high efficient coal mining technology for coal mining face with shield supports

掩护支架工作面安全高效开采技术