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DE???? ?? ??
?? 46??? ???? ?? ??? ??? ??? ??.
?? ???? ???? ?? ??? ??? ??? ??? ????: ?????, ?? ??, ??????, ?? ??, ?? ??, ?? ??, ???, ????, ???, ?? ??, ????.
SAE - SAE International, ???? ?? ??
U.S. Military Regulations and Norms, ???? ?? ??
Group Standards of the People's Republic of China, ???? ?? ??
American Society of Mechanical Engineers (ASME), ???? ?? ??
工業和信息化部, ???? ?? ??
Professional Standard - Ferrous Metallurgy, ???? ?? ??
Professional Standard - Machinery, ???? ?? ??
SCC, ???? ?? ??
Military Standard of the People's Republic of China-General Armament Department, ???? ?? ??
機械電子工業部, ???? ?? ??
United States Navy, ???? ?? ??
American National Standards Institute （ANSI), ???? ?? ??
Professional Standard - Chemical Industry, ???? ?? ??
Korean Agency for Technology and Standards (KATS), ???? ?? ??
American Society for Testing and Materials (ASTM), ???? ?? ??
國家市場監督管理總局、中國國家標準化管理委員會, ???? ?? ??
Hunan Provincial Standard of the People's Republic of China, ???? ?? ??
Shanxi Provincial Standard of the People's Republic of China, ???? ?? ??
Japanese Industrial Standards Committee (JISC), ???? ?? ??
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, ???? ?? ??