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前言冯家山水库左岸明流溢洪洞工程为水利枢纽主要泄洪建筑物之一。隧洞全长624米,断面型式为“城门洞”型,净空尺寸为7.2×10.5米。溢洪洞最大泄流量为1140立米/秒,最
Foreword Fengjiashan Reservoir left bank Mingliu overflow spillway project is one of the main flood discharge structures. The tunnel is 624 meters in length and has a cross-section of “Shing Mun-dong” type with a headroom of 7.2 × 10.5 meters. Spillway maximum discharge of 1140 cubic meters / second, the most