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DE?? ?? ??
?? 32??? ?? ?? ??? ??? ??? ??.
?? ???? ?? ?? ??? ??? ??? ??? ????: ?? ?? ??, ??? ? ??? ??, ?? ?? ???, ??? ?? ? ???, ???, ???, ???, ??, ?, ??, ?? ??, ?? ? ???? ?? ? ??, ????, ?? ??.
Group Standards of the People's Republic of China, ?? ?? ??
RO-ASRO, ?? ?? ??
Society of Automotive Engineers (SAE), ?? ?? ??
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, ?? ?? ??
Australian/New Zealand Standard (AU-AS/NZS), ?? ?? ??
Defense Logistics Agency, ?? ?? ??
Military Standards (MIL-STD), ?? ?? ??
Standard Association of Australia （SAA）, ?? ?? ??
British Standards Institution (BSI), ?? ?? ??
ESDU - Engineering Sciences Data Unit, ?? ?? ??
Compressed Gas Association (U.S.), ?? ?? ??
Professional Standard - Construction Industry, ?? ?? ??
Professional Standard - Petroleum, ?? ?? ??
American Water Works Association (AWWA), ?? ?? ??
German Institute for Standardization, ?? ?? ??
VN-TCVN, ?? ?? ??
Professional Standard - Traffic, ?? ?? ??