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qian xi te hou mei ceng fen ceng kai cai tui kua xing mao ding shi gu
Author(s): 
Pages: 37-39
Year: Issue:  11
Journal: SAFETY IN COAL MINES

Keyword:  特厚煤层分层开采推垮型冒顶事故预防;
Abstract: 本文通过事故案例分析,总结了在特厚煤层分层开采时,发生推垮冒顶事故的原因、特征,并提出了预防措施.
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