煤尘爆炸同瓦斯爆炸一样都属于矿井中的重大灾害事故。因此，分析煤尘爆炸原因，制订防治措施，显得特别重要。
Gas explosion is major disasters in coal mines, so is coal-dust explosion. Therefore, it is very important to analyze the causes of the explosion and make preventive measures.
矿井通风系统属于生命保障系统一类，其工作的可靠性具有特殊的意义。
Mine ventilation system is one of the life-safeguard system, its working reliability has special meaning.
本实用新型公开了一种煤矿井口用的液压旋转式安全门，属于煤矿安全 设备技术领域。
The utility model discloses a hydraulic revolving safety door used at mine entrance and belongs to the technical field of equipment for mine safety.
应用推荐