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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 support 端头支护
- 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”。
- 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。
- 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。
- 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。
- face end supports 端头支架
- The difficulties of mining in working faces are directly decided by support patterns in gateways. 回采巷道所选用的护巷方式及支护形式直接决定了回采工作面开采的难易。
- In order to solve this probiem,an expansion stull can be setted on the end support. 为解决这一问题,可在端头支架加设活动顶梁。
- In allusion to hydraculic support of structredness attaint countermeasure,according to 21121 working face act case,combine mine drang appear rule,mutual it appear causation carry through analyes explan,and advance prevent countermeasure. 针对综采放顶煤支架出现的结构性损坏,以21121综放工作面为例,结合矿山压力显现规律,对其原因进行分析说明,并提出了防止对策。
- Taking the open-off cut in 10201-S working face at Sihe mine as a example,the schem,technical parameters and construction method for the support of large section open-off cut are introduce. 以寺河矿10201S首采工作面切眼为例,证实了大断面切眼的支护设计方案、技术参数以及施工方法选择的正确性,介绍了施工中所采取的技术保证措施。
- At the end of 2007, Drapeau announced that AOL would stop development of the browser and would end support on 1 February. 在2007年年底，达皮奥宣布， AOL将停止发展的浏览器，并最终会支持，于2月1日。
- The key point of Grand pressure law on working face of seam top coal caving method,the method of dealing with them,firstly caving and end caving of working face roof control are discussed. 论述了中厚煤层综采放顶煤工作面矿压显现规律和顶板管理的特点,指出了综放工作面顶板管理的方法,以及工作面初采、收作时顶板管理的要点。
