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掘进效率的英文

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"掘进效率"怎么读用"掘进效率"造句

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  • drivage efficiency

例句与用法

  • Study on improving efficiency of heading advance in kafang mine
    提高卡房采选厂巷道掘进效率研究
  • Due to its uncontinuity of operation , its tunneling efficiency is greatly influenced
    由于其作业的不连续性,影响了其掘进效率的发挥。
  • Study on test of improving quality of gate excavation and boosting efficiency of roadway excavation through hard rock
    增加硬岩巷道掘进效率的试验研究
  • Theoretical discussion and practices to improve blasting and heading efficient rate in mine deep rock roadway
    提高深部岩石巷道爆破掘进效率的理论探讨与实践
  • In order to solve the shortcoming of traditional explosion w ; dge - shaped excavation in da ' anshan mine , improve the rate of excavation and reduce the consumption of explosive materials , a series of excavation shapes are applied and experimented in the rock tunnel excavate
    针对大安山煤矿传统的楔形掏槽爆破方式存在的弊端,本文提出在该矿进行新型掏槽实验研究,用以增加岩石巷道掘进效率和减少掘进爆破材料消耗。
  • Based on the theory of detonation dynamics and fracture mechanics and combined with engineering experiences , the parameters of soft rock tunnel hole charge and smooth blasting are analysized to enhance tunnel excavation proficiency in soft rock and smooth blasting . value scope of smooth blasting is acquired , which can give some experience for parameters design and construction of smooth blasting in soft rock tunnel excavation
    摘要为提高软岩巷道掘进效率和光爆效果,利用爆轰动力学和断裂力学理论,分析了软岩巷道掏槽及光爆参数,结合工程实践经验,得出了软岩巷道光面爆破参数的取值范围,对软岩巷道爆破参数的设计和施工具有一定的指导意义。
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