Fault excavation for free flow tunnel No. 2 of Xiaolangdi water control project;
2#明流洞全长1105 m,其中下游洞长108 m,开挖断面为直墙圆顶的城门洞型,尺寸为宽12。
2 free flow tower is an intake building of No.
小浪底水利枢纽工程的2号明流塔,塔高108m,是主要泄洪建筑物2号明流洞的进口建筑物。
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