叉管,Y型管;
design of large-scale steel breeches pipe of yinzidu hydropower station
引子渡水电站大型钢岔管设计
finite element calculation of reinforced concrete breeches pipe in pushihe pumped-storage power station
蒲石河抽水蓄能电站钢筋混凝土岔管有限元计算
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