
Plastics Piping Systems - Fittings, Valves And Ancillaries - Determination Of Gaseous Flow Rate/pressure Drop Relationships (iso/dis 17778:2013)
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
Plastics Piping Systems - Fittings, Valves And Ancillaries - Determination Of Gaseous Flow Rate/pressure Drop Relationships (iso/dis 17778:2013)
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻