冻结法凿井 meaning in Chinese

freeze sinking

Discussion on temperature field calculation in freeze sinking method
冻结法凿井施工中温度场计算探讨
Mine shaft sinking technology with ground freezing method for liangbaosi mine shaft
梁宝寺矿井冻结法凿井施工技术
Issues on key technologies of freezing shaft sinking in huainan mining area
淮南矿区冻结法凿井的几个关键技术问题
Mine shaft sinking technology with ground freezing method for east ventilation shaft of qidong mine
祁东煤矿东风井冻结法凿井施工技术