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。
The mechanical and structural design improvement of the vibrating technology made by the company and the efficiency and economical benefit achieved through the transformation are described.
叙述了该公司对振动出矿工艺进行结构和机械改进设计的情况，说明了该项改造所取得的效果与经济效益。
It is in relevance with not only the quality of product but also the efficiency and economical benefit.
因此，如何在保持结晶质量的前提下提高结晶效率是一个十分具有现实意义的研究课题。
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