
BS EN 16297-1. Pumps. Rotodynamic pumps. Glandless circulators. Part 1. General requirements and procedures for testing and calculation of energy efficiency index (EEI)
出版:British Standards Institution

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BS EN 16297-1. Pumps. Rotodynamic pumps. Glandless circulators. Part 1. General requirements and procedures for testing and calculation of energy efficiency index (EEI)
出版:British Standards Institution
专家解读视频