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- Shallow borehole smooth blasting technology applied to construction of mine clay and rock roadway 浅孔光爆技术在黏土岩巷道施工中的应用
- mine clay and rock roadway 黏土岩巷道
- The paper introduced the excavation features,blasting method and parameters,construction technology and organization of the shallow borehole smooth blasting technology in clay and rock roadway. 介绍了浅孔光爆技术在黏土岩中的掘进特点、爆破方法及参数、施工工艺及组织。
- A sun-dried, unburned brick of clay and straw. 风干土坯风干且未烧过的粘土与稻草做成的砖
- semi coal and rock roadway with weak floor 半煤岩软底巷道
- A mass of snow and rock break away and fall on the climber. 一堆积雪和岩石突然崩落到登山者的身上。
- I shall procure some clay and mould it. 我会找些粘土塑造它。
- A mass of snow and rock broke away and fell on the climbers. 一堆积雪和岩石突然崩落到登山者的身上。
- Clay and wax are plastic substances. 黏土和蜡是可塑性物质。
- The vines grow on a clay and schistious soil. 该葡萄树生长在粘土和片岩土上面。
- She took the clay and squeezed it into a ball. 她取了粘土，把粘土捏成了一个球。
- Technique of secondary bolt/shotcreting support for deep rock roadway, with the East Main Roadway deep to 1 300 m in Suncun Coal Mine as an example, was analyzed. 摘要以孙村煤矿埋深1300m的东大巷应用为例，系统分析了深部岩巷锚喷二次支护技术。
- Technique of secondary bolt/shotcreting support for deep rock roadway,with the East Main Roadway deep to 1 300 m in Suncun Coal Mine as an example,was analyzed. 以孙村煤矿埋深1300m的东大巷应用为例,系统分析了深部岩巷锚喷二次支护技术。
- Beneficiation removes clay and silica to considerable extent. 富集操作除去粘土和硅石达到相当高的程度。
- The prerequisite of rock burst occurrence is that the elastic energy in coal and rock mass around coal mine roadway and stope has accumulated enough. 冲击地压发生的前提是矿山井巷和采场周围的煤岩体中储存了足够的弹性能。
- Application of Combined Support with Bolt Steel Belt and Shotcreting in Half Coal and Rock Roadway 锚杆、钢带、喷浆联合支护在半煤岩巷中的应用
- Comets are usually made of ice and rock. 彗星通常是由岩石和冰构成的。
- Used for washing porcelain clay and stuff like that. 用来淘洗瓷土等原料的。
- Bolt and spout supporting technology in soft coal and rock roadway with high stress 高应力软煤岩巷道锚喷支护技术
- And those courts were covered with a mixture of clay and sand. 地面都是用泥土和黄沙铺成的。
