Colliery gas burst kills 25 in Chongqing.
重庆煤矿瓦斯爆炸，25人死亡。
This paper introduces the Application of GIS Technology to Colliery Gas Management, the choice and construction of a system platform, the design and implement of main mould.
介绍了GIS技术在煤矿瓦斯管理中的应用：系统平台的选择和组建；主要模块的设计和实现。
The article has introduced the gas geologic features in B4 Coal Seam in Fengcheng Colliery and analyzed the correlation factors of gas occurrence regularity.
本文简要叙述了丰城矿区B4煤层瓦斯地质特征，分析了瓦斯赋存规律相关因素。
The magmatic rock intrudes relative seriously in Wangying Colliery, rock-burst and gas outburst mainly take place near igneous rock wall.
王营煤矿的岩浆岩侵入比较严重，冲击矿压和瓦斯突出多发生在火成岩墙附近。
The main insecure natural factors include: water, fire, gas, coal dust, wall collapse and so on. All of these are threatening the production safety of colliery enterprise.
其存在的主要不安全自然因素包括：水、火、瓦斯、矿尘、冒顶等，这些时时刻刻都在威胁着矿山企业的安全生产。
As one of the most important equipments, Air blower of colliery is the most efficient way to prevent gas from congregating and exploding.
煤矿风机作为煤矿安全生产的主要设备之一，是防止瓦斯聚集和爆炸的最有效手段。
As one of the most important equipments, Air blower of colliery is the most efficient way to prevent gas from congregating and exploding.
煤矿风机作为煤矿安全生产的主要设备之一，是防止瓦斯聚集和爆炸的最有效手段。
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