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- Ventilation is a very important process in rock excavation by blasting in underground engineering. 地下工程钻爆开挖过程中,通风排烟是重要的一环。
- 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。
- This dissertation made use of the no reflection boundary condition to simulate a limited field, then expressed the derground space or the bulk rock mass. 本文利用无反射边界条件来模拟一个有限域,进而用它来表示地下空间或大块岩体。
- The blasting effect of this project prove that long hole loose millisecond controlled blasting is a new technology extraordinarily suitable for rock excavation,and worth to be widely spread. 该工程的爆破效果有力地证明了深孔松动微差控制爆破技术是非常适合岩石开挖工程的一门新技术,值得推广。
- Mechanization construction of rock excavation 国外石方工程的机械化施工评述
- Vibration Monitoring and Controlling in Bulk Rock Blasting 大量石方爆破的震动监测及控制
- Do they charge carriage by bulk? 他们是否按体积计算运费?
- The results show that rock excavations of the underground powerhouse for the given geological conditions can be achieved technically. 结果表明:水布垭地下厂房洞室开挖在技术上是可行的;
- In most markets you can buy fresh fruit in bulk. 在大多数市场上可买到散装新鲜水果。
- APPLICATION OF SHORT-HOLE MILLISECOND BLASTING IN ROCK EXCAVATION 浅孔微差爆破技术在石方开挖中的应用
- The bulk of the work has already been done. 大部分工作已经完成。
- The elephant lowered its great bulk. 大象蹲下它庞大的身躯。
- Control blasting of rock excavation at sensitive and dangerous zone 敏感危险区石方开挖控制爆破
- He heaved his huge bulk out of the chair. 他挺起巨大的身躯,从椅子上站了起来。
- The eldest son inherited the bulk of the estate. 长子继承了遗产的大部分。
- The rock was honeycombed with passages. 岩石上有许多蜂窝状的小孔。
- The rehabilitation contracts require the operators to rehabilitate the quarries within a specified period, in return for the granting of rights to process and sell surplus rock excavated during the course of the works. 复修合约规定,采石商须于指定时间内复修石矿场,以换取采石权,把石矿场复修期间所挖掘的剩余石料加工出售。
- A ball of lead will weigh down an equal bulk of feathers. 一个铅球要比同样大小的羽毛团重。
- Many young rock hounds grow up to be geologists. 许许多多爱好收集岩石的少年,长大后成了地质学家。