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DE??? ???
?? 22??? ??? ???? ??? ??? ??.
?? ???? ??? ???? ??? ??? ??? ????: ???, ?? ? ?? ??, ?? ?? ??, ?? ?? ??, ???, ?? ? ?? ?? ??, ????, ?? ??, ??, ???, ??, ?? ??, ??? ??, ??? ?? ??.
Professional Standard - Urban Construction, ??? ???
Group Standards of the People's Republic of China, ??? ???
Jiangxi Provincial Standard of the People's Republic of China, ??? ???
國家市場監督管理總局、中國國家標準化管理委員會, ??? ???
SCC, ??? ???
Shanxi Provincial Standard of the People's Republic of China, ??? ???
National Association of Corrosion Engineers (NACE), ??? ???
國家能源局, ??? ???
Professional Standard - Light Industry, ??? ???
Sichuan Provincial Standard of the People's Republic of China, ??? ???
Gansu Provincial Standard of the People's Republic of China, ??? ???
API - American Petroleum Institute, ??? ???
工業和信息化部, ??? ???