| 单词 | roof rock |
| 释义 | 例句释义: 盖岩,顶板岩石,顶盖岩,盖层 1. The higher the coal and roof rock strength of compound sample is, the intensity AE&EME signals produced by the deformation and fracture is. 组合试样中煤样及顶板岩样的强度越高，则变形破裂产生的声发射与电磁辐射信号越强。 www.chinadegrees.cn 2. There are considerable uncovered spaces between the two pieces of canopy, which allows broken roof rock to fall through. 有相当大破获位之间的两块巨型天篷，使破碎顶板岩石，以告吹。 zhidao.baidu.com 3. Also visible is the effect of the weighted average roof rock mass ratings RMR. 是影响影像中还可以看到屋顶的加权平均收视率RMR岩体。 www.fzl8.com.cn 4. Research on Mechanism and Reasonable Parameters of Gas Drainage by Pressure Relief of Overlying Roof Rock in a Working Face 回采面顶板覆岩卸压抽放瓦斯机理及合理参数研究 www.ilib.cn 5. Analysis of law of multiple roof-rock in extraction roadway in dongrong coal mine 东荣二矿回采巷道特类复合顶板活动规律分析 www.ilib.cn 6. Study on the Influence Laws of Side Pressure Coefficient on Roof Failure of Roadway in Alternating Stratified Soft Roof Rock 侧压系数对巷道软弱互层顶板岩体破坏影响规律研究 service.ilib.cn 7. Determination of roof rock character and strata structure in roadway supported by bolting with wire mesh 煤巷锚网巷道顶板岩性及岩层结构的确定 ilib.cn 8. Research on Rationally Arranging Position of Horizontal Boreholes in Roof Rock Stratum 顶板岩层水平长钻孔合理布孔层位的研究 www.ilib.cn 9. On Gas Suction Technology by Roof- Rock Drilling in "Three - Soft" Unsteady Coal Seam “三软”不稳定煤层高位钻孔瓦斯抽放技术 service.ilib.cn 10. Control Principle of Separating and Broken Roof Rock Strata in Roadway 离层破碎型煤巷顶板的控制原理 service.ilib.cn 1. Drainaging Methane from Upper Adjacent Seam by Roof Rock Horizontal Long Boreholes 顶板岩石水平长钻孔抽放上邻近层瓦斯 www.ilib.cn 2. Gas Management Technology of Roof Rock Boreholes 顶板岩石钻孔抽放治理瓦斯技术 www.ilib.cn 3. Analysis on roof rock properties to select top coal caving method 分析顶板岩性选择放顶方式 www.ilib.cn 4. Research on new roof rock structure probe of seam gateway 新型煤巷顶板岩层结构探测仪的研究 www.ilib.cn 5. Study on the Periodical Damage and Fractal of Roof Rock-mass 顶板岩体周期性损伤及其分形研究 service.ilib.cn 6. Sand inrush in roof rock's rotating in shallow seam mining 浅埋煤层老顶岩块回转过程中的溃沙分析 www.ilib.cn 7. Effect of Faults on Movement of Roof Rock Strata in Gateway 断层附近回采巷道顶板岩层运动特征研究 www.ilib.cn |
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