冻结井筒井壁破坏及修复

冻结井筒井壁破坏及修复

王长生, 刘日辉

Destruction and Rehabilitation of Shaft Lining in Frozen Shaft

冰川冻土 . 1993, (2): 325 -330 . DOI: 10.7522/j.issn.1000-0240.1993.0058