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。
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