我国煤矿频繁发生的瓦斯、煤尘爆炸事故给人民的生命和财产安全带来了严重的威胁。
The frequent gas and coal dust explosion accidents in coal mine is a big threat to the life and property.
煤矿井下杂散电流是引起瓦斯、煤尘爆炸的一个重要起因，严重威胁到煤矿的安全生产。
Stray current in coal mine underground is an important factor caused gas and coal dust explosion, which seriously threatened safety production in mines.
对障碍物在瓦斯煤尘燃烧爆炸过程中的火焰传播规律进行了实验研究，结果表明：障碍物对火焰的传播速度具有重要的影响。
Experimental study was conducted on the propagation regularity of flame in the process of gas and coal-dust combustion and explosion in the existence of obstacle objects.
同时爆生气体温度较高，容易引起瓦斯和煤尘爆炸。
At the same time, the high temperature of blasting gas can causing gas and coal dust explosion.
论述了采用喷雾爆破技术可以防止炮掘工作面因放炮火焰引起的瓦斯、煤尘爆炸事故。
Gas or smut explosion induced by blasting ignition in the working face of digging and blasting can be prevented by using spray-blasting technology.
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.
本文简要介绍煤尘、瓦斯爆炸试验巷道遥测系统的基本工作原理，着重分析该系统的传输误差。
This paper introduces briefly the principle of the telemetering system for coal ash and gas explosion experimental tunnel and then make an exhaustive analysis of transmission errors of the system.
煤矿开采比较容易出事故，煤矿事故又主要是瓦斯爆炸和煤尘爆炸。
There are usually accidents in coal mines, which are mainly gas explosion and dust explosion.
煤矿井下漏电，不仅会引起人身触电，还会酿成火灾、煤尘及瓦斯爆炸等恶性事故。
The mine electric leakage can not only cause the electric shock of the people but also some serious accidents such as the fire hazard, coal dust explosion, and gas explosion, etc.
并通过瓦斯爆炸试验和回归分析，得出了井下一定量的沼气在无煤尘参与的条件下发生爆炸时的安全距离。
On the basis of gas explosion tests (without taking part in of coal dust) in different gas content circumstances and regression analysis a series of safety distances have been obtained .
该系列绞车用于煤矿井下有瓦斯或煤尘爆炸性混合物的场所作提升或运输用。
This hoisting gear is used for hoisting or transporting at the place of coal shaft with explosive mixture of gas or coal dust.
该系列绞车用于煤矿井下有瓦斯或煤尘爆炸性混合物的场所作提升或运输用。
This hoisting gear is used for hoisting or transporting at the place of coal shaft with explosive mixture of gas or coal dust.
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