
Pumps - Rotodynamic Pumps - Glandless Circulators - Part 1: General Requirements And Procedures For Testing And Calculation Of Energy Efficiency Index (Eei)
出版:Swiss Standards

专家解读视频
Pumps - Rotodynamic Pumps - Glandless Circulators - Part 1: General Requirements And Procedures For Testing And Calculation Of Energy Efficiency Index (Eei)
出版:Swiss Standards
专家解读视频