characteristics资源列表

[国外标准] SAE J412-1995 GENERAL CHARACTERISTICS AND HEAT TREATMENTS OF STEELS

[国外标准] JIS E4023-1990 Vibration characteristics of railway rolling stock-Measuring methods

[国外标准] JIS Z 8403:1996 Quality characteristics of products -- General rules for determination of specific v

[国外标准] JIS E4023:1990(E) Vibration characteristics of railway rolling stock--Measurin