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?? 67??? ?? ??? ??? ??? ??.
?? ???? ?? ??? ??? ??? ??? ????: ?? ??, ??? ???, ????? ? ?? ?? ??, ????? ?? ? ??? ???, ????? ???, ???, ?? ? ?? ??? ??, ??, ?? ??, IT ??? ? ?? ????, ?? ??? ?? ??, ?? ?? ? ??? ???, ?? ??, ?? ??, ?? ?? ??, ????, ?? ??, ?? ??, ??????, ??? ? ??? ??, ???, ???? ??, ??, ??? ??, ?? ??.
Professional Standard - Petroleum, ?? ??
Professional Standard - Building Materials, ?? ??
Military Standard of the People's Republic of China-General Armament Department, ?? ??
Professional Standard - Machinery, ?? ??
National Metrological Technical Specifications of the People's Republic of China, ?? ??
Shandong Provincial Standard of the People's Republic of China, ?? ??
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, ?? ??
國家市場監(jiān)督管理總局、中國國家標準化管理委員會, ?? ??
SAE - SAE International, ?? ??
Society of Automotive Engineers (SAE), ?? ??
Professional Standard - Electricity, ?? ??
- DL/T 2454-2021 ??? AC ? DC ???? ?? ???? ????? ??? ?? ?? ?? ??, ??? ?? ? ????? ??
Professional Standard-Ships, ?? ??
Taiwan Provincial Standard of the People's Republic of China, ?? ??
Aeronautical Radio Inc., ?? ??
International Organization for Standardization (ISO), ?? ??
Beijing Provincial Standard of the People's Republic of China, ?? ??
Group Standards of the People's Republic of China, ?? ??
Professional Standard - Electron, ?? ??
British Standards Institution (BSI), ?? ??
Professional Standard - Chemical Industry, ?? ??
European Committee for Standardization (CEN), ?? ??
GSO, ?? ??
Xinjiang Provincial Standard of the People's Republic of China, ?? ??
國家鐵路局, ?? ??
Liaoning Provincial Standard of the People's Republic of China, ?? ??
Military Standard of the People's Republic of China-Commission of Science,Technology and Industry for National Defence, ?? ??
International Telecommunication Union (ITU), ?? ??
Korean Agency for Technology and Standards (KATS), ?? ??
National Fire Protection Association (NFPA), ?? ??
PL-PKN, ?? ??
SCC, ?? ??
CEN - European Committee for Standardization, ?? ??