NF C55-456-2008 Hydraulic turbines storage pumps and pump-turbines - Rehabilitation and performance improvement 《水轮机、蓄水泵和泵轮机 修复和性能改进》.pdf

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1、 7 6 77 7 7 7 77 7 7 9 7 7 w 7% 7 7 Norme franaise homologue 7 77 % Correspondance 7 9 7 Analyse 7 6 7 7 7 7 7 7 7 Descripteurs 7 7 Modifications Corrections Ce document constitue la version franaise complte de la norme europenne EN 62256:2008 qui reproduit le texte de la publication CEI 62256:2008.

2、 LUnion Technique de llectricit a vot favorablement au CENELEC sur le projet de EN 62256, le 26 septembre 2007. W 7 7 W 8 7 W 8 7 W 8 7 7 W 8 7 7 7 W 8 7 7 W 8 7 W 8 7 7 W 8 7 W 8 7 W 8 7 W 8 7 777 7 7 W 8 7 W 8 7 W 8 7 7 7 W 8 W 8 W 8 W 8 W 8 W 7 W 8 7 W 8 7 7 7 7 7 7 7 7 W 7 7 W 7 7 W 7 7 W 7 W 7

3、7 7 7 7 7 7 7 7 7 6 7 7 7 7 8 Guidelines on Methodology for Hydroelectric Francis Turbine Upgrading by Runner Replacement 7 7 2 77 8 7 W W 7 77 6 77 7 7 6 7 7 7 7 7 7 6 7 7 7 7 7 7 7 7 7 7 7 77 7 77 7 7 7 77 7 7 7 7 7 7 7 7 7 7 7 77 7 u 7 e 7 7 7 7 u 7 e u 7 e 7 77 77 77 7 7 77 7 7 7 7 7 7 77 7 7 8 7 7 7 7 7 77 7 7 7 u 7 e 77 77 7 8 u e 7 7 777 77 7 7 7 7 7 7 7 7 7 777 7 6 7 7 7 7 7 7 7 7 7 % 7 7 77 7 7 8 7 7 7

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