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Terms containing back rock | all forms | in specified order only
SubjectEnglishChinese
danc.back rock后退摇摆舞
expl.displacement back analysis for rock engineering岩体工程位移反分析法用开挖过程中实测的围岩位移推算围岩的力学参数或岩体中的原始应力场的方法。在分析开挖体稳定性问题时,位移和变形通常是作为待求量出现的,因此,测位移、求参数的分析称为反分析
sport.rock back上体后仰
oilrock back stabilizer肩接钻头稳定器
athlet.rock-back后翻
athlet.rock-back上体后仰
expl.The major causes of flyrock are inadequate burden, inadequate stemming length, drilling inaccuracy, excessive powder factor,unfavorable geological conditions open joints, weak seams and cavities, inappropriate delay timing and sequence, inaccuracy of delays, back break and loose rock on top of the bench飞石产生的主要原因包括抵抗线不足、炮泥长度不够、钻孔不精确、单位炸药消耗量过多、地质条件不利露天节理、矿层不稳固和空穴、延时定时和序列不当、延时不精确、发生反向爆破、以及台阶上部岩石松散等