矿井通风系统优化已经成为煤矿安全生产的一个关键问题，对其应有科学、合理的选择方法。
Optimization of mining ventilation system has been one of the critical issues for coal mine's safe production, and should be solved by scientific and reasonable method.
文章分析了当前煤矿安全生产存在的问题及其成因，提出了相应的解决对策。
This paper analyses on the problems existing in the safety of production in coal mines currently and causes of these problems, and puts forward some corresponding countermeasures.
煤矿的安全生产状态，是煤矿安全生产管理需要解决的首要问题。
The state of mine safety production is the initial problem that needs to be resolved for mine safe production.
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