The excavation of left bank abutment of the Hongjiadu hydroelectric project was the highest cut slope in the hydropower construction project then.
洪家渡水电站左岸坝肩工程为当时水利水电建设工程中最大高度的边坡开挖。
The excavation of left bank abutment of the Hongjiadu hydroelectric project was the highest cut slope in the hydropower construction project then.
洪家渡水电站左岸坝肩工程为当时水利水电建设工程中最大高度的边坡开挖。
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