本文分析了矿井通风安全管理系统的开发现状、趋势以及开发中存在的问题，对其开发方法和模式进行了探讨，基于。

This paper analyzed the present condition, trend and problems of developing mine ventilation and safety management system and probed info the development methods.

youdao

其可靠性研究是优化矿井通风设计，保障安全生产和日常管理的一项重要任务。

Its reliability research is an important task that optimizing the mine ventilation design, guarantee safe production and daily management.

youdao

女生学矿井通风与安全专业将来好就业吗？

Mine ventilation female students in good jobs and security professionals will it?

youdao