隧洞导流（tunnel diversion），河水通过岸边的水工隧洞导向下游的施工导流方式。
立轴旋涡在水电站引水管道、导流隧洞、溢洪道、水泵站等进水口前时有发生。
The vertical vortex frequently occurs at hydraulic intakes such as diversion pipeline, diversion tunnel, spillway and pumping station.
清江隔河岩水利枢纽导流隧洞是我国目前在碳酸盐岩地区开挖大跨度地下洞室的成功工程之一。
The diversion tunnel of Geheyan Project on the Qingjiang river is one of successfully excavated large-scale underground cavities in the carbonate rock regions in China at present.
水布垭导流隧洞具有水头高，流量大，洞线长，地质环境差等特点，因而技术问题较多，难度较大。
The diversion tunnels of the Shuibuya Project feature high head, big discharge, long tunnel line and complicated geologic conditions.
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