
Pumps - Rotodynamic pumps - Glandless circulators Part 2: Calculation of energy efficiency index (EEI) for standalone circulators
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
Pumps - Rotodynamic pumps - Glandless circulators Part 2: Calculation of energy efficiency index (EEI) for standalone circulators
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻