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.
在高山峡谷的大江大河上修建水电站，往往需要大尺度导流洞。
The Pandaoling tunnel is the longest non-pressure diversion tunnel of the main channel of theDatong River to Qinwangchuan region water transferring irrigation project.
盘道岭隧洞是甘肃引大入秦灌溉工程总干渠上最长的无压引水隧洞。
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。