YANG Mi-jia, HE Yong-nian, ZHANG Nong. THE LAW OF SURROUNDING ROCK STRENGTH DECREASING AND ITS DYNAMIC SUPPORTING TECHNOLOGY[J]. Engineering Mechanics, 1999, 16(5): 53-57.
Citation:
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YANG Mi-jia, HE Yong-nian, ZHANG Nong. THE LAW OF SURROUNDING ROCK STRENGTH DECREASING AND ITS DYNAMIC SUPPORTING TECHNOLOGY[J]. Engineering Mechanics, 1999, 16(5): 53-57.
|
YANG Mi-jia, HE Yong-nian, ZHANG Nong. THE LAW OF SURROUNDING ROCK STRENGTH DECREASING AND ITS DYNAMIC SUPPORTING TECHNOLOGY[J]. Engineering Mechanics, 1999, 16(5): 53-57.
Citation:
|
YANG Mi-jia, HE Yong-nian, ZHANG Nong. THE LAW OF SURROUNDING ROCK STRENGTH DECREASING AND ITS DYNAMIC SUPPORTING TECHNOLOGY[J]. Engineering Mechanics, 1999, 16(5): 53-57.
|