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DE?? ????
?? 21??? ?? ????? ??? ??? ??.
?? ???? ?? ????? ??? ??? ??? ????: ?? ??, ?? ??, ???, ?? ??, ?? ??.
Professional Standard - Construction Industry, ?? ????
Professional Standard - Building Materials, ?? ????
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, ?? ????
Shandong Provincial Standard of the People's Republic of China, ?? ????
Guangxi Provincial Standard of the People's Republic of China, ?? ????
Korean Agency for Technology and Standards (KATS), ?? ????
Professional Standard - Recommended Standards for Engineering Construction, ?? ????
Jiangxi Provincial Standard of the People's Republic of China, ?? ????
Hebei Provincial Standard of the People's Republic of China, ?? ????
工業(yè)和信息化部, ?? ????