
BS EN 16297-2. Pumps. Rotodynamic pumps. Glandless circulators. Part 2. Calculation of energy efficiency index (EEI) for standalone circulators
出版:British Standards Institution

專家解讀視頻
BS EN 16297-2. Pumps. Rotodynamic pumps. Glandless circulators. Part 2. Calculation of energy efficiency index (EEI) for standalone circulators
出版:British Standards Institution
專家解讀視頻