
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)

专家解读视频
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)
专家解读视频