Its reliability research is an important task that optimizing the mine ventilation design, guarantee safe production and daily management.
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。
Establishing the safe and utility orientation system of the mine personnel in coal pit is of great significance for improving the safe production management of the coal pit.
建立可靠实用的煤矿井下人员定位系统，对改善煤矿的安全生产管理有着重要的现实意义。
Studies and develops automation management system of safe production information of mine control center, brings in and installs office automation management system in enterprise.
研究和开发了矿调度安全生产信息自动化管理系统，引进和安装了企业办公自动化管理系统。
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