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- The roadway excavation and supporting are crucial techniques in mining engineering. 巷道掘进与支护是采矿工程的技术关键。
- In this paper,FLAC is adopted to simulate the surrounding rock stability of a belt drive conveyor cavern of Yangquan mine district during excavation and support by steps. 运用有限差分数值计算软件(FLAC),模拟分析了阳泉三矿芦南分区胶带驱动机硐室在分步开挖过程中围岩的稳定性。
- Due to the complexity of occurrence condition and the polytropy of influencing factors,the excavation and supporting in soft failure roadway under high ground stress become very difficult. 高地应力破碎软岩巷道;由于赋存条件的复杂性和影响因素的多变性;使得该类巷道的开挖与支护极为困难.
- Due to the complexity of occurrence condition and the polytropy of influencing factors, the excavation and supporting in soft failure roadway under high ground stress become very difficult. 摘要高地应力破碎软岩巷道，由于赋存条件的复杂性和影响因素的多变性，使得该类巷道的开挖与支护极为困难。
- The author comprehensively demonstrates the construction technique for excavation and support of chambers and tunnels under unfavorable geological condition,taking the construction of headrace tunnel as example. 为此 ,以引水隧洞施工为例 ,对不良地质条件下的洞室开挖及支护施工技术进行综合阐述
- Excavation and support of underground powerhouse 地下厂房开挖及支护
- Excavation and support of the famdation ditch 某基坑的开挖和支护
- foundation pit excavation and support 基坑开挖与支护
- excavation and support of arch crown 顶拱开挖支护
- excavation and support of foundation pit 基坑开挖支护
- Excavation and embankment of earth. 土木工程土地的挖掘和筑根
- excavation and support technology 掘支技术
- This Chapter covers safety in excavation and work below ground. 本章涵盖挖掘作业和地下作业安全方面的问题。
- They need to unite with and support each other. 他们需要互相团结，互相支持。
- A ruined Mayan city of northern Guatemala. It was the largest of the Mayan cities and may also be the oldest. Excavation and restoration of the ruins began in 1956. 蒂卡尔危地马拉北部的一座玛雅废城，曾是玛雅城市中最大也可能最古老的一座。挖掘和修复该废墟的工作始于1956年。
- Please come and support me. Do not let me down . 请来支持我。别让我失望。
- Remove the retaining screw and support clip. 拆去剩余的螺丝和支持夹。
- A soft pillow; provides both softness and support. 一种软枕头;既柔软,又有支撑力。
- Voice Over: We need your opinion and support. 希望得到你们的意见及支持。
- Dewatering is always necessary in foundation pit excavation and hand dig piles. 基坑开挖或施行人工挖孔桩常常需要进行人工降水。
