景洪水电站主厂房右侧紧邻右冲沙底孔，右冲沙底孔作为二期纵向围堰的组成部分，在主厂房开挖前已经形成。
In order to ensure the excavation of sediment discharge bottom outlet at right side and foundation of the power house dam section, the blasting method was used in Jinghong power station.
底孔闸门布置在大坝的中部靠下，承担大坝冲沙任务。
The bottom hole strobe arranged in dam middle, undertakes the dam to flush the sand duty.
底孔闸门布置在大坝的中部靠下，承担大坝冲沙任务。
The bottom hole strobe arranged in dam middle, undertakes the dam to flush the sand duty.
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