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- work face stability 正面稳定性
- 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。
- 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。
- Lee, I.M., S.W.Nam, and J.H.Ahn, Effect of seepage forces on tunnel face stability, Canadian Geotechnical Journal, 40(2), 342-350, 2003. 侯泰亨,隧道通过断层地带地下水渗流分析,国立成功大学水利及海洋工程研究所硕士论文,1998。
- The gas tail gate of LW work face must be supplied with air properly. A detail safety measure has to be made for this area. 搞好综采工作面瓦斯尾巷的配风和管理工作,制订出该段区域详细的安全技术措施。
- 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”。
- The reasonable testing methods, arranging boreholes and selecting blasting parameters at a typical work face are introduced. 介绍了一个典型工作面试验方法、炮眼布置和爆破参数的选取。
- In the field of tunnel fore geological forecast, when karst caves exist in front of work face, the time section of GPR usually has hyperbola character. 摘要采用GPR地质雷达进行隧道超前地质预报,当掌子面前方存在溶洞时,地质雷达时间剖面常出现双曲线特征图形。
- The working face configuration type of continuous mining applied in this study can form a free-of-pressure arch effect which is beneficial to the stope stability. 研究中采用“品”字形连续开采的工作面布置方式可形成免压拱效应,有利于采场的稳定性。
- The results show that the stability of roof becomes poor with reduction of distance away from the fault whether the working face is mined in the footwall or hanging wall of fault. 结果表明:无论工作面是由断层下盘向断层推进,还是由断层上盘向断层推进,随着工作面距断层面距离的缩小,顶板稳定性变差。
- How to Bring Forth New Ideas for Archival Work Facing Knowledge Enterpris? 面对知识企业构建,档案工作如何创新?
- In this paper introduce Gu Jiao Coal mine 4# coal layer pressure obseve and analyze, master work face pressure rule. provide according to for reasonable mining and science manage. 介绍古交矿区4%23煤层综采首采面,通过矿压观测研究,初步掌握了该面矿压显现规律。为合理开采4%23煤层、科学管理顶板及支架选型提供了科学依据。
- Aim at the problem of top corner gas big at work face,seriously influences safety and restrains production,the method of direct drawing top corner gas has been proved sucessful. 针对高瓦斯工作面上隅角瓦斯大,严重影响安全,制约生产的问题,采用直接抽放工作面上隅角瓦斯及顶板抽放法取得成功。
- The developments of cut blast theory and technology are expounded and the new method of cut blast with holes perpendicular to the work face in drift is put forward. 论述了掏槽爆破理论与技术的发展现状,提出平巷直眼掏槽爆破新方法。
- With the advancing of work face, the cracks will be induced and then impenetrate with each other in roof, and result in the rupture of roof and roof weighting. 摘要随工作面的推进,顶板要产生裂缝、裂缝贯通、破断,然后来压。
- Your work falls short of my expectations. 你的工作未达到我的期望。
- I think the work can be completed ahead of time. 我认为这项工作能提前完成。
- Routine office work is my bread and butter. 日常的办公室工作是我的谋生之道。
- The mining sequence effects in different working faces on stability of floor haulage roadway in high tectonic stress field in Fangezhuang Coal Mine are discussed. 提出在构造应力场中,开采运输巷道上方的煤体使巷道产生拉伸形变是巷道破坏的主要根源。
- His face began to work violently. 他的脸部开始剧烈的抽搐。
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