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- working face ended supports 工作面端头支架
- It is indicated that W type ventilation goaf reduces the pressure difference between working face ends, and narrows air leakage range. 指出W形通风采空区明显降低工作面两端风压差,缩小漏风范围的效果。
- A Study on High-capacity and High-efficient Coal Mining Face End Support 高产高效工作面端头支护的研究
- Keywords nonstandard tunnel;face end support;new structure;mine application; 异形巷道;端头支护;端头支架;新型结构;矿山应用;
- Roof Maintenance of "Three-soft" Coal Seam Working Face End of Fully mechanized Coal Winning Technology with Caving "三软"煤层综放工作面端面顶板维护
- Design and improvement of face end support technology in fully mechanized coal caving mining face 综放工作面端头支护工艺的设计与改进
- Practices on face end support technology for fully mechanized top coal caving mining face in deep inclined thick seam 大倾角厚煤层长壁综放工作面端头支护技术实践
- face end supports 端头支架
- This enabled them to run transport cars right up to the work face. 这使他们能把运煤车一直开到工作面。
- Stripper face must extend 1/8” below working face of punch. 脱料板下表面至少比冲子工作面高出1/8”。
- face end support 端头支护
- The adaptability of equipments,especially powered supports in full-mechanized caving face in Wanbei minefield is analyzed from a typical working face accident. 从皖北矿区一次典型工作面事故出发,分析了皖北矿区综采工作面设备尤其是液压支架适应性存在的问题。
- The adaptability of equipments, especially powered supports in full-mechanized caving face in Wanbei minefield is analyzed from a typical working face accident. 摘要从皖北矿区一次典型工作面事故出发,分析了皖北矿区综采工作面设备尤其是液压支架适应性存在的问题。
- Water inrush in working face and support failure of the driven roadway caused by underground seepage occur from time to time. 摘要地下水渗流导致巷道掘进工作面突水或成巷段支护失效的灾害在煤矿时有发生。
- This field indicates whether the far end supports ISUP Circuit Query. 该字段指示远端是否支持 ISUP 电路查询。
- All coal was moved from the work face by electrically-driven conveyors. 所有的煤都用电动传送带从工作面运出来。
- Does wood planking have cleats installed at end supports to prevent sliding? 木材铺板上在支架端部安装了防滑止挡了吗?
- On the basis of special seam roof core in Jiulong mine ventilated gateway of No.15207 working face, the parameters of bolting support were determined with testing. 针对九龙矿152下07工作面回风巷顶板岩芯结构特殊性,确定了锚杆支护参数并进行试验研究。
- The spans for the planks must be secure. The planks overlap, secure, and extend over the end supports. 支持板的礅距必须是安全的,支持板要延伸要超过大于支架的边缘
- Its range had the larger outstand to outboard working face under the condition of injecting grouts in separate layers. 离层带注浆时的覆岩破坏形态和范围向工作面外侧突出较大。