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- underground rock pressure 矿山压力
- A vibrant underground rock scene has emerged in the city. 这个城市出现了地下组织出版的文章。
- An aquifer is a layer of underground rock or sand whichstores and carries water. 含水层是保存和携带着水的一层地下的水或沙。
- To construct and operate two salt water service reservoirs within an underground rock cavern. 于地下石洞内建造及营办两个海水配水库。
- An integrated intelligent method for bolt-shotcrete support design in underground rock excavation is presented. 摘要提出了一种可用于岩石地下工程锚喷支护设计的人工智能综合设计方法。
- The characters of deep mine are larger raw rock pressure,larger ore body plasticize,mine pressure severe appearance. 深矿井的特征是原岩压力大、矿体塑性大及矿山压力显现剧烈。
- They use a variety of methods to gather and analyze data about underground rock formations in the never-ending search for oil and gas. 在永无止境的石油和天然气勘探过程中,人们使用各种方法来收集和分析有关地下岩层的数据。
- The caving of thick and strong roof stratum,key stratum,causes tremendous rock pressure in mine. 采场上覆岩层中的厚硬岩层,即厚硬关键层,其冒落会造成剧烈的矿山压力显现。
- The working principle ho application of water-isolated slurry pump in stope filling of underground rock gold mine is introduced. 文中介绍了水隔离浆体泵的工作原理及其在岩金地下矿山采场充填中的应用；
- In underground rock engineerings,the distributing states of tectonic fissures and its development affect greatly on roadway stability. 地下岩石工程中,构造裂隙分布状况与发育程度对巷道的稳定性影响很大。
- In fact, this period of Canada's underground rock Chuangpi area of great scientists of the Earth's surface known as the oldest known. 事实上，加拿大的这段地下面积很大的岩床被科学家称之为地球表面已知的最古老的地方。
- Whereas it is very important for the technique of grouted rock bolts timbering to stabilize the underground rock and is widely used at the same time. 而喷锚支护技术对地下岩体稳定起着很重要的作用，并得到广泛的应用。
- Accoording to the result on observation of rock pressure,adaptability of telescopiform bolt in soft rock road and reasonable structural parameter are analysed. 根据矿压观测结果分析了可拉伸锚杆对软岩巷道支护的适应性及其合理的结构参数。
- On the basis of the observation to rock pressure,the strata behavior regularity of 93305workface is summarized,and the reason is analyzed,rome reasonable advices is put foreward. 在矿压观测的基础上，总结了该工作面的矿压显现规律，并对原因进行分析，最后就工作面的开采提出合理建议。
- This paper introduces four kinds of mehtods that is used to investigate crack in underground rock stratum: borehole core method, ultrasonic imaging method, borehole television method, and borehole discharge well logging method. 摘要本文介绍了地下岩层裂隙的4种勘察研究方法：钻孔岩芯法、超声成像法、钻孔电视法、钻孔流量测井法。
- Based on measured rock pressure and experimental data under thick watered loose bed of Wanbei mining area,dimorphism and mutation characteristics of ultrathin bedrock working face roof are discussed. 以皖北矿区厚含水松散层下超薄基岩开采工作面实测矿压资料与实验数据为依据,论述了超薄基岩工作面顶板的风化变异特征。
- Based on measured rock pressure and experimental data under thick watered loose bed of Wanbei mining area, dimorphism and mutation characteristics of ultrathin bedrock working face roof are discussed. 摘要以皖北矿区厚含水松散层下超薄基岩开采工作面实测矿压资料与实验数据为依据，论述了超薄基岩工作面顶板的风化变异特征。
- On October 23, an earthquake measuring 6.8 on the Richter scale and striking only 13 kilometers underground rocked the central Niigata region, killing 40 people. 去年10月23日，一场发生在地面以下仅13公里处的里氏6.;8级地震袭击了日本新滹市中心，造成40人丧生。
- The seepage analysis is important to many engineerings including seepage failure of the rockmass,petrolic seepage in the rockmass and waterproof design of the underground rock engineering. 岩体的渗透破坏、岩体中石油渗流、地下工程的防渗设计等无不与渗流计算有关。
- Under composite roof inthe No.2 seamof Tunlan mine,bolt-rope strenthenningsupporttechnique is utilized to control roof ad decrease rock pressure,which has achieved good economic bene-fit. 介绍了屯兰矿在2号煤层复合顶板条件下,采用锚索补强支护技术,有效地控制了巷道顶板离层,减轻了矿山压力显现现象,取得了较好的经济效益。
