青岛地铁区间隧道下穿既有铁路施工技术
刘泉维
Construction technique for Qingdao metro tunnel under existing railway
LIU Quanwei
北京交通大学学报 . 2013, (1): 52 -56 .  DOI: 10.11860/j.issn.1673-0291.2013.01.009