对了解煤的渗透特性、瓦斯涌出量预测具有一定参考价值。

It is of certain significance for studying coal seepage characteristics and the prediction of gas emission.

youdao

对了解煤的渗透特性、瓦斯涌出量预测具有一定参考价值。

It is of certain significance for studying coal seepage characteristics and the prediction of gas emission.

youdao