The results of the studies on the blasting excavation sequence and excavation options for the main carven system on the right bank of Three Gorges can be taken for reference by relevant units.
三峡右岸地下电站主厂房系统爆破开挖程序及开挖方法的研究成果，可供有关单位参考。
2
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。
3
During bank slope excavation in cofferdam in a harbor construction, the work had to be suspended due to water leakage (river water and ground water) into the foundation pit.