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Pressure relief gas extraction based on mined strata movement of upper protective seam workface

Release time:2021-09-29 Hits:

Affiliation of Author(s):安全工程学院
Funded by:国家自然科学基金项目
First Author:wanghaifeng
Indexed by:会议论文
Document Code:paper_87915
Translation or Not:no
Date of Publication:2011-03-01