Its development success makes the manufacturing precision of runner blades higher, leads to increase the efficiency of hydro-turbine, and produce the big economical and social benefit.
它的研制成功，极大地提高了叶片的制造精度，进而提高了水轮机的效率，产生了巨大的经济和社会效益。
This project has good economical and social efficiency which could be referenced.
该项目具有较好经济效益和社会效益，可供借鉴。
This project has good economical and social efficiency which could be referenced.
该项目具有较好经济效益和社会效益，可供借鉴。
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