
Pumps - Rotodynamic Pumps - Glandless Circulators - Part 1: General Requirements And Procedures For Testing And Calculation Of Energy Efficiency Index (Eei)
出版:Asociacion Espanola de Normalizacion

專家解讀視頻
Pumps - Rotodynamic Pumps - Glandless Circulators - Part 1: General Requirements And Procedures For Testing And Calculation Of Energy Efficiency Index (Eei)
出版:Asociacion Espanola de Normalizacion
專家解讀視頻