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? ???

?? 15??? ? ???? ??? ??? ??.

?? ???? ? ???? ??? ??? ??? ????: ????, ??????, ?? ??, ??? ? ??? ??.

Professional Standard - Railway, ? ???

• TB/T 2054-2017 ??? ? ?? ??

Military Standard of the People's Republic of China-General Armament Department, ? ???

• GJB 150.8-1986 ?? ?? ?? ???? ?? ?? ??? ??
• GJB 8709.22-2015 ?? ??? ??? ?? ?? 22: ? ???

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, ? ???

• GB/T 23321-2009 ??, ??, ????? ???

Professional Standard - Aerospace, ? ???

• QJ 1185.2-1987 ??????? ???? ??? ????
• QJ 1238.20-1990 ??? ???? ??? ??? ??? ?? ?? ???

Military Standard of the People's Republic of China-Commission of Science,Technology and Industry for National Defence, ? ???

• GJB 5895.11-2006 ??? ??? ?? ?? 11?: ?? ??
• GJB 6458.22-2008 ?? ??? ??? ?? ?? 22: ? ???

Professional Standard - Electricity, ? ???

• DL/T 383-2010 ??? ???? ??? ??? ??? ?? ??? ??? ??

Professional Standard - Geology, ? ???

• DZ 0039.12-1992 ?? ?? ?? ?? ???? ?? ?? ?? ??? ?? ? ??
• DZ 28.10-1984 ?? ?? ?? ?? ???? ?? ?? ?? ??? ?? ? ??

Group Standards of the People's Republic of China, ? ???

• T/SZUAVIA 009.11-2019 ???? ?? ??? ???? ?? ??? ?? ??? ?? 11?: ? ???

National Metrological Technical Specifications of the People's Republic of China, ? ???

• JJF(機(jī)械)1071-2021 ??? ?? ??? ?? ??
• JJF(機(jī)械) 1071-2021 ??? ?? ??? ?? ??

International Organization for Standardization (ISO), ? ???

• ISO 22958:2005 ??, ??, ? ???: ?? ? ?? ???

??:   ? ??? ??, ? ???, ? ??? ??, ? ??? ???, ?? ??, ? ??? ??, ? ??? ??, ? ??? ??, ? ??? ???, ? ???, ?? ? ??? ??, ?? ??? ? ???, ? ??? ??? ??, ?+, ?? ? ???, ? ??? ??, ? ??? ? ???, ? ??? ??.