求翻译：电站装机容量4200MW（6×700MW），水库总库容约150亿m3，挡水建筑物混凝土双曲拱坝高度294.5m，坝顶轴线长901.77 m，混凝土总体积约850×104m3。是什么意思？

Installed capacity of power station 4200MW (6x700MW), the reservoir total capacity of about 15 billion m3, retaining works height 294.5m concrete double curvature arch dam, dam top axis length 901.77 m, total volume of concrete of about 850x104m3.

正在翻译，请等待...

The power plant installed capacity 4200MW(6×700MW), reservoir total storage capacity approximately 15,000,000,000 m3, keeps off water building concrete hyperbolic arch dam highly 294.5m, top of dam spool thread long 901.77 m, the concrete bulk volume approximately 850×104m3.

Installed capacity of power station 4200MW (6x700MW), the reservoir total capacity of about 15 billion m3, retaining works height 294.5m concrete double curvature arch dam, dam top axis length 901.77 m, total volume of concrete of about 850x104m3.

正在翻译，请等待...