
Industrial Pipework - Carbon, Alloy And Austenitic Stainless Steel Flanges And Flanged Fittings - Terminology - Dimensions
出版:Association Francaise de Normalisation

专家解读视频
Industrial Pipework - Carbon, Alloy And Austenitic Stainless Steel Flanges And Flanged Fittings - Terminology - Dimensions
出版:Association Francaise de Normalisation
专家解读视频