中型水电站
Spiral case with cushion layer relative to the water filling pressurization and buried type two kind of forms, has simple construction, saving investment, construction period is relatively short and other advantages, and in the domestic large and medium-sized hydropower station have been widely applied in.
垫层蜗壳相对于充水保压及直埋式两种形式,具有施工方法简便、节省投资、施工工期较短等明显优势,因而在国内大中型水电站中得到广泛应用。
英语网 · 英语词汇
英语网 · 双语娱乐资讯
英语网 · 初中英语作文