
Technical Delivery Conditions For Steel Castings For Pressure Purposes - Part 2: Steel Grades For Use At Room Temperature And Elevated Temperatures
出版:Polish Committee for Standardization

專家解讀視頻
Technical Delivery Conditions For Steel Castings For Pressure Purposes - Part 2: Steel Grades For Use At Room Temperature And Elevated Temperatures
出版:Polish Committee for Standardization
專家解讀視頻