It is a new practical method to predict outburst danger according to gas emission law after shotfiring at coal heading faces.
根据煤巷掘进工作面放炮后的瓦斯涌出规律，预测工作面的突出危险性是一种新型实用的工作方法。
It is a new practical method to predict outburst danger according to gas emission law after shotfiring at coal heading faces.
根据煤巷掘进工作面放炮后的瓦斯涌出规律，预测工作面的突出危险性是一种新型实用的工作方法。
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