
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

專家解讀視頻
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
專家解讀視頻