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- The technology problems of blasthole depth,cutting blasting,smooth wall blasting,and directional blasting is discussed. 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。
- Fracture control blasting, a new perimeter control technique, is an alternative to pre-splitting or smooth wall blasting which can be used to achieve better perimeter control results. 断裂控制爆破是一种新的周界控制爆破方法,用它取代预裂和光面爆破,可以获得更好的周界控制效果。
- protecting borehole wall blasting 护壁爆破
- bilateral double-pipe protecting borehole wall blasting 双侧套管护壁
- The shutters thumped the wall in the wind. 在风中百叶窗砰砰地碰在墙上。
- Some plants push their roots deep into the soil. 一些植物的根深深长入土中。
- unilateral double-pipe protecting borehole wall blasting 单侧套管护壁
- You may stop the machine by pushing this button. 按下这个按钮你就可以关掉这个机器。
- I'll be around when he is pushing up daisies. 他死后入了土，我还会活着。
- He was caught pushing heroin to schoolchildren. 他在向小学生贩卖海洛因时被捕。
- You may push this button to call the elevator. 你可以按这个按钮叫电梯。
- The picture on the wall is crooked. 挂在墙壁上的画是歪的。
- The little boy used to push out his lower lip. 那个小孩以前老要撅起下嘴唇。
- Let's make a push to get it done tonight. 让我们加把劲今晚把它干完。
- They are pushing for electoral reform. 他们迫切要求改革选举制度。
- 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。
- She was arrested for pushing heroin. 她因贩卖海洛因而被捕。
- Application of Smooth Wall Blasting Technique in Unstable Developing Drift 光面爆破技术在不稳固采准巷道中的应用
- He shored up the wall with a thick balk of wood. 他用一根粗大的木头把墙撑住。
- The act or process of pushing or thrusting out. 推，掷推出或掷出的行为或过程
