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左上:4～7孔泄洪闸 摄影:王孝思右下:渭沦工程合龙前夕 摄影:主孝思左下:正在施工的电站厂房合川县渭沱水电站——涪江上的中型电站@王孝思@黄焱红
Top left: 4 to 7 holes Floodgate Photo: Wang Xiaosi Lower right: Weilian Project Closure Eve Photo: Primary Xiaosi Left lower: Construction of the power plant Hechuan Weituo Hydropower Station - Fujiang River on the medium-sized power plant @ Wang Xiao Si @ Huang Yanhong