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?? ???? ?? ??? ??? ??? ??? ??? ??? ????: ?? ? ??, ??, ???, ?? ??, ??? ???, ?? ?? ??? ? ?? ????, ?? ? ??, ?? ??(IT) ??, ???, ????, ?????, ?? ??, ??, ?? ? ?? ??, ???, ?? ??, ???, ?? ???, ????, ?? ? ?? ??? ??, ?? ?? ??, ?? ???, ?? ??.


Beijing Provincial Standard of the People's Republic of China, ?? ??? ??? ??

Professional Standard - Environmental Protection, ?? ??? ??? ??

AT-ON, ?? ??? ??? ??

ASHRAE - American Society of Heating@ Refrigerating and Air-Conditioning Engineers@ Inc., ?? ??? ??? ??

NO-SN, ?? ??? ??? ??

US-FCR, ?? ??? ??? ??

SCC, ?? ??? ??? ??

國家能源局, ?? ??? ??? ??

U.S. Environmental Protection Agency (U.S. EPA), ?? ??? ??? ??

Professional Standard - Nuclear Industry, ?? ??? ??? ??

GB-REG, ?? ??? ??? ??

European Committee for Standardization (CEN), ?? ??? ??? ??

GSO, ?? ??? ??? ??

Danish Standards Foundation, ?? ??? ??? ??

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

Jilin Provincial Standard of the People's Republic of China, ?? ??? ??? ??

Association for Information and Image Management (AIIM), ?? ??? ??? ??

US-DOT, ?? ??? ??? ??

Guangxi Provincial Standard of the People's Republic of China, ?? ??? ??? ??

Qinghai Provincial Standard of the People's Republic of China, ?? ??? ??? ??

WRC - Welding Research Council, ?? ??? ??? ??

Jiangsu Provincial Standard of the People's Republic of China, ?? ??? ??? ??

GOSTR, ?? ??? ??? ??

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

Korean Agency for Technology and Standards (KATS), ?? ??? ??? ??

German Institute for Standardization, ?? ??? ??? ??

KR-KS, ?? ??? ??? ??

American Welding Society (AWS), ?? ??? ??? ??

AASHTO - American Association of State Highway and Transportation Officials, ?? ??? ??? ??

British Standards Institution (BSI), ?? ??? ??? ??

ES-UNE, ?? ??? ??? ??

Association Francaise de Normalisation, ?? ??? ??? ??

ZA-SANS, ?? ??? ??? ??

Xinjiang Provincial Standard of the People's Republic of China, ?? ??? ??? ??

SSPC - The Society for Protective Coatings, ?? ??? ??? ??

American Society of Mechanical Engineers (ASME), ?? ??? ??? ??

American Society for Testing and Materials (ASTM), ?? ??? ??? ??

API - American Petroleum Institute, ?? ??? ??? ??

Shanxi Provincial Standard of the People's Republic of China, ?? ??? ??? ??

RU-GOST R, ?? ??? ??? ??

Professional Standard-Ships, ?? ??? ??? ??

NEMA - National Electrical Manufacturers Association, ?? ??? ??? ??

PL-PKN, ?? ??? ??? ??

CH-SNV, ?? ??? ??? ??

VDI - Verein Deutscher Ingenieure, ?? ??? ??? ??

NATO - North Atlantic Treaty Organization, ?? ??? ??? ??

Society of Automotive Engineers (SAE), ?? ??? ??? ??

U.S. Air Force, ?? ??? ??? ??

CZ-CSN, ?? ??? ??? ??

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

International Telecommunication Union (ITU), ?? ??? ??? ??





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