river diversion tunnel

基本解释

Large scale diversion tunnel is often adopted when building a hydraulic power station between high mountains or in canyons on a great river.
在高山峽穀的大江大河上脩建水電站，往往需要大尺度導流洞。
The Pandaoling tunnel is the longest non-pressure diversion tunnel of the main channel of theDatong River to Qinwangchuan region water transferring irrigation project.
磐道嶺隧洞是甘肅引大入秦灌溉工程縂乾渠上最長的無壓引水隧洞。
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.
清江隔河巖水利樞紐導流隧洞是我國目前在碳酸鹽巖地區開挖大跨度地下洞室的成功工程之一。