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DE???????? ??
?? 45??? ???????? ??? ??? ??? ??.
?? ???? ???????? ??? ??? ??? ??? ????: ?? ??, ?? ?? ??, ?? ??, ??? ??, ? ??, ??? ? ???, ???, ?? ? ???? ??, ???, ?? ?? ??, ?? ??? ? ??? ???? ??, ?? ?? ? ?? ?? ??, ???, ??? ?? ? ???, ?? ? ?? ??? ??.
National Metrological Technical Specifications of the People's Republic of China, ???????? ??
Group Standards of the People's Republic of China, ???????? ??
Professional Standard - Aviation, ???????? ??
Indonesia Standards, ???????? ??
工業和信息化部, ???????? ??
American National Standards Institute （ANSI), ???????? ??
Professional Standard - Machinery, ???????? ??
RU-GOST R, ???????? ??
Taiwan Provincial Standard of the People's Republic of China, ???????? ??
輕工業部, ???????? ??
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, ???????? ??
Professional Standard - Light Industry, ???????? ??
ESDU - Engineering Sciences Data Unit, ???????? ??
Korean Agency for Technology and Standards (KATS), ???????? ??
Standard Association of Australia （SAA）, ???????? ??
American Society of Mechanical Engineers (ASME), ???????? ??
German Institute for Standardization, ???????? ??