
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