The result offers some basis for predicting gas emission quantity accurately. 计算结果为瓦斯涌出量的准确预测提供了依据。
Under gassy coal seam condition, the full-heading development is employed.Because of the fast heading a high rate of gas emission arises. 在瓦斯含量较大的煤层采用综掘掘进巷道,由于掘进速度快,出现了瓦斯涌出量过大的现象。