煤的突出 goths ; coal projection
煤与瓦斯突出 coal and gas outburst ; coal and gas bursting ; coal-gas outburst ; coal and methane outburst
突出煤层 outburst coal
煤瓦斯突出 Coal-gas outburst
瓦斯突出煤体 gas outburst coal ; outburst coal mass
煤层突出危险性 coal seams outburst risk
煤与瓦斯突出强度 coal and gas outburst intensity ; Intensity of coal-gas burst
低透气性突出煤层 low permeability outburst coal seam
煤与瓦斯突出预测预报是一个十分复杂而棘手的问题。
The prediction and forecasting of coal and gas outburst is a complicated and knotty problem.
试验表明突出危险煤较非危险煤孔隙率大，强度小，且具有更大的瓦斯解吸速度。
Tests show that coal with larger porosity, lower strength and higher velocity of gas desorption is more dangerous in hazard of outburst.
煤与瓦斯突出是制约煤矿安全生产最为严重的自然灾害之一。
Coal and gas outburst is one of the most serious naturaldisasters to hamper the safety states during mining .
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