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METHOD OF DETERMINING STRUCTURAL WEAKENING FACTOR OF ROCK BODY
METHOD OF DETERMINING STRUCTURAL WEAKENING FACTOR OF ROCK BODY
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机译:确定岩体结构弱化因子的方法
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摘要
the invention относитс to the case. the purpose of изобретени - improving the accuracy rate of определени structural ослаблени rocks (p) to determine their physical and mechanical properties. with
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