大直径抽采钻孔在采空区瓦斯抽采中的应用.

Autor: 贾进章1, 郭 建2,3
Zdroj: Journal of Liaoning Technical University (Natural Science Edition) / Liaoning Gongcheng Jishu Daxue Xuebao (Ziran Kexue Ban). Feb2020, Vol. 39 Issue 1, p1-5. 5p.
Databáze: Academic Search Ultimate