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.
本实用新型属于机器人技术领域,具体地说是一种煤矿井下救援探测机器人。
The utility model belongs to the technical field of a robot, which in particular relates to a downhole rescue detection robot for coal mine.
我国目前大部分煤矿属于瓦斯矿井,而由瓦斯浓度过高引发的安全事故频频发生。
At present, most coal mines in China are high gas concentration and caused the accidents occur frequently.
我国目前大部分煤矿属于瓦斯矿井,而由瓦斯浓度过高引发的安全事故频频发生。
At present, most coal mines in China are high gas concentration and caused the accidents occur frequently.
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