三软煤层,three soft coal seam英语短句,例句大全

三软煤层,three soft coal seam
1)three soft coal seam三软煤层
1.Numerical simulation for bolting net spray composite support of three soft coal seam tunnel三软煤层巷道锚网喷联合支护的数值模拟
2.Analysed the reason of roadway supporting problem,based on heave problem of roadway in three soft coal seam,depth of pressure-relief bore hole was optimizated with numerical simulation,specific solution was proposed,too.分析了偃龙矿区软岩巷道难以支护的原因,针对三软煤层巷道底鼓问题,采用数值计算方法对底板卸压钻孔深度进行优化设计,并给出了具体的解决方案,即位于底板中部直径为150~300 mm的卸压钻孔,深度应大于巷道底板宽度的一半,小于锚索锚固段的作用范围。

英文短句/例句

1.Selection of Hydraulic Powered Top Coal Caving Support and Three Equipment Matching Applied to Deep Inclined Seam with Soft Roof,Soft Coal and Soft Floor大倾角三软煤层放顶煤支架选型及三机配套
2.Fully Mechanized Top Coal Caving Mining Technology in Combined Seams with Close Distance and with Soft Roof,Soft Coal and Soft Floor in Guobei Mine涡北煤矿近距离三软煤层合并综放开采技术
3.Prevention and Control of Floor Pressurized Water in Coal Mining Face in Seam with Soft Roof,Soft Coal and Soft Floor in Chaohua Mine超化煤矿三软煤层采煤工作面底板承压水的防治
4.Study for Mining Pressure of Super Long Coal Face in Three Soft Rock Layers;三软煤层超长工作面采场矿压显现规律研究
5.Applications of Rockbolt Supporting Technology in Three-soft Coal Seam Excavation锚杆(索)支护技术在三软煤层掘进中的应用
6.Numerical Simulation Optimization for Release Pressure Bore Hole of Roadway Floor in Three Soft Coal Seam三软煤层巷道底板钻孔卸压的数值模拟优化
7.Floor Heave Mechanism and Support Technology of Goaf-Side Gateway for Re-mining in Seam with Soft Roof,Soft Coal and Soft Floor三软煤层复采沿空巷道底鼓机理及支护技术
8.Numerical simulation for bolting net spray composite support of three soft coal seam tunnel三软煤层巷道锚网喷联合支护的数值模拟
9.Research on Roadway Support Technique for Coal Pillar Mining in the Old Mining Area Known for Weak Seams三软煤层老空区煤柱开采巷道支护技术试验研究
10.Technology of Gas Outburst Elimination,Gas and Coal Dust Management with Water Injection in Coal Seam at Coal Face in "Three Soft" Coal Seam“三软”煤层采煤工作面煤层注水消突治理瓦斯、煤尘技术
11.Research on mining technology of combined mining at large inclined angle "three soft" coal seam“三软”煤层大倾角综采回采工艺研究
12."Three soft" in thick Coal Comprehensive mechanization mining stent selection of importance“三软”中厚煤层综采支架选型的重要性
13.Light Drills Digs "Three soft" Coal Bed Coal Lane Tunneling Application轻型钻掘机在“三软”煤层煤巷掘进中的应用
14.Application of big-obliquity angle mining in three-soft seam in Shitai Coal Mine“三软”煤层大倾角开采在石台煤矿的应用
15.Deep "three soft" measures inclined roadway open seam of cosl-process research of technologies深部“三软”煤层斜井措施巷揭煤防突技术研究
16.Research and Application of Strengthening Technology at Coal Roadway Crossing Point in "Three Soft" Coal Seam“三软”煤层煤巷交岔点加固技术研究与应用
17.Application of Coal-bearing Formation Rock Depositional Features in Three-soft Coal Seam含煤岩系沉积特征在“三软”煤层中的应用
18.Application of Triangular Drilling Rod to Gas Drainage Borehole Drilling in Medium Soft Seam三棱钻杆在中软煤层顺层瓦斯抽排钻孔的应用

相关短句/例句

three-soft coal seam三软煤层
3)three-soft seam三软煤层
4)"three-soft" coal seam三软煤层
1.Its mine pressure behavior law is more comply with the law of the actuality under the "three-soft" coal seam mining laws in the Mining of Sea Area.龙矿集团北皂矿H2103工作面是海域开采第二个工作面,在首采工作面开采以后,H2103工作面开采,开采范围扩大,开采相对充分,研究发现:其矿压显现的规律更符合海域下三软煤层开采的实际规律,对实现安全高效开采具有参考指导价值。
5)Three-soft Coal Seam"三软"煤层
1.Discussion on Comprehensive Gas Outburst Control in Heading Face with Three-soft Coal Seam;“三软”煤层掘进综合“防突”探讨
6)three soft seam"三软"煤层
1.Analysis on deformation failure mechanism of surrounding rocks in 'three soft seam roadway;“三软”煤层巷道围岩变形破坏机理分析
2.Combined with engineering examples introduce the application of the technology of high performane bolting with wire mesh along double gob-side entry in three soft seam.结合工程实例介绍“三软”煤层双沿空掘巷高性能锚杆锚带网支护技术的应用。