
Standard Specification for Vacuum Treated Steel Forgings, Alloy, Differentially Heat Treated, for Turbine Rotors
出版:American Society for Testing and Materials

專家解讀視頻
Standard Specification for Vacuum Treated Steel Forgings, Alloy, Differentially Heat Treated, for Turbine Rotors
出版:American Society for Testing and Materials
專家解讀視頻