In Yangzhuoyong Lake Hydropower Station, the Surge shaft, a differential structure, is composed of vertical shaft and upper chamber.
羊湖电站调压井为差动式结构，由竖井和上室组成。
In Yangzhuoyong Lake Hydropower Station, the Surge shaft, a differential structure, is composed of vertical shaft and upper chamber.
羊湖电站调压井为差动式结构，由竖井和上室组成。
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