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- high underground pressure 强冲击地压
- Through simulation test of similar materials,the distribution of deformation failure and underground pressure with high angle faults of different dip direction are analyzed during coal mining operation. 通过相似模拟试验方法分析了不同倾向高角度正断层 ,在采动影响下顶板岩体变形破坏和矿压分布规律。
- Underground pressure and timbering technology in laneway construction in soft rock mass is one of the complicated technical problems. 软岩巷道地压与支护技术是地下工程施工中复杂的技术难题。
- Underground pressure mostly acts upon the mining accesses and connections when sublevel caving without sill-pillar is used. 无底柱分段崩落法采场地压主要表现在采矿进路及其联络巷道中。
- Rock-bursting is a special underground pressure behavior in deep mining in China currently and it intimidates seriously the safe mining. 冲击矿压是当前我国煤矿深部开采出现的一种特殊的矿山压力现象,它严重威胁井下安全生产。
- According to the underground pressure theory, which takes stratum movement as key matter, the nonelastic area occurs in coal body under the action of underground pressure. 根据“以岩层运动为中心”的矿山压力理论,煤体在矿山压力作用下将出现非弹性区。
- Taken Xinhe Colliery 3101 workface as the concrete condition, phenomenon law of underground pressure in great-inclined thick coal seam mechanized top coal caving is studied. 本文以新河煤矿3101工作面为具体条件,研究了大倾角厚煤层综放开采矿压显现规律。
- Controlling roof accidents and preventing the occurrence of bursting underground pressure are the priorities and difficulties to mine deeper isolated pillar face. 控制顶板事故,防范冲击矿压的发生是开采埋深较大的孤岛煤柱工作面的重点和难点。
- In order to study the dip strata displacement and side abutment phenomenon law in incline fully mechanized coal face we observed phenomenon of underground pressure in co. 为了研究倾斜综放采场倾向岩层运动与侧向支承压力显现规律,布置了覆岩破坏测区和侧向支承压力测区。
- To use relaxed slot to maintain roadway passed by working face is to control hostrock deformation and reduce the influence of underground pressure on roadways. 应用卸压槽维护被跨采巷道,是采用人为卸压的方法控制围岩变形,缓解矿山压力对巷道的影响。
- At high pressure dry ice will melt. 高压下干冰会溶化。
- My father suffers from high blood pressure. 我父亲有高血压。
- Sometimes he had to work at high pressure. 有时候他必须使劲地工作。
- underground pressure observation 矿压观测
- She skirted round the problem of the high cost. 她避而不谈巨额费用问题。
- Men and birds are fain of climbing high. 不论人还是鸟都愿意往高处攀。
- underground pressure characteristics 矿压特征
- The bird sang high and clearly in the tree. 鸟儿在树上清脆地高歌。
- Goods of high quality are few and far between these days. 质地精美上乘的物品现在不多见。
- The medieval town was fortified with a high wall and a deep moat. 这座中世纪的城市周围建有城墙和护城河。