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This paper presents the field estimation on rock mass quality by means of vibrational decrement.
本文介绍了一种在现场用振动衰减系数来估计岩体质量的新方法。
youdao
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This paper presents the field estimation on rock mass quality by means of vibrational decrement.
本文介绍了一种在现场用振动衰减系数来估计岩体质量的新方法。
youdao