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DE?? ??? ??
?? 24??? ?? ??? ??? ??? ??? ??.
?? ???? ?? ??? ??? ??? ??? ??? ????: ??, ?? ?? ? ??? ???, ????, ?? ? ???, ?? ? ??, ?, ??, ???, ?? ? ??.
ACI - American Concrete Institute, ?? ??? ??
United States Navy, ?? ??? ??
SCC, ?? ??? ??
Institute of Electrical and Electronics Engineers (IEEE), ?? ??? ??
Professional Standard - Public Safety Standards, ?? ??? ??
GSO, ?? ??? ??
Korean Agency for Technology and Standards (KATS), ?? ??? ??
SE-SIS, ?? ??? ??
IN-BIS, ?? ??? ??
ASHRAE - American Society of Heating@ Refrigerating and Air-Conditioning Engineers@ Inc., ?? ??? ??
Group Standards of the People's Republic of China, ?? ??? ??
GM Europe, ?? ??? ??
Guizhou Provincial Standard of the People's Republic of China, ?? ??? ??
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, ?? ??? ??
Anhui Provincial Standard of the People's Republic of China, ?? ??? ??