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针对肇庆市白水河鱼跳水电站引水隧洞塌方处理的事例,详细介绍小导管超前预注浆的工艺及具体操作步骤,提出了笔者的几点看法。
Aiming at the landslide treatment of diversion tunnel of Baishuihe Yuzao Hydropower Station in Zhaoqing City, the process and specific operation steps of pre-grouting in small ducts are introduced in detail.