园子沟煤矿东翼回风立井冻结法施工技术
张海荣, 王萌, 吕文玉
Research on the Freezing Construction Design of East Return Air Shaft in Yuanzigou Coal Mine
煤炭工程 . 2019, (6): 74 -77 .  DOI: 10.11799/ce201906015