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地下重力测量在查明煤矿事故中的应用 |
张代伦 |
冶金部第一地质勘探公司物化探分公司 |
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THE APPLICATION OF UNDERGROUND GRAVITY SURVEY TO THE INVESTIGATION OF ACCIDENTS IN COAL MINES |
Zhang Dailun |
Geophysical and Geophysical Prospecting Branch of No.1 Geological Exploration Corporation, Ministry of Metallargical Indnsty |
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