Several Methods to Tunnel Locking Under Unfavorable Geological Condition
不良地质条件下隧洞施工锁口的几种方法
Construction technique for excavation and support of chambers and tunnels under unfavorable geological condition
不良地质条件下的洞室开挖及支护施工技术
The construction in an unfavorable geological condition part of the diversion tunnel of Xiaoshan hydropower station and its supporting measure
小山水电站引水隧洞不良地质条件洞段施工及支护措施
Tube Awning Law in Advance Pre-supports and Protections Technology under Tunnel Landslide and Unfavorable Geological Condition
隧洞掘进塌方处理及不良地质条件下管棚法超前预支护技术
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