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DE??? ????
?? 9??? ??? ????? ??? ??? ??.
?? ???? ??? ????? ??? ??? ??? ????: ??(??)? ?? ? ??, ??, ????.
CN-DB 3, ??? ????
Group Standards of the People's Republic of China, ??? ????
Guangdong Provincial Standard of the People's Republic of China, ??? ????
Fujian Provincial Standard of the People's Republic of China, ??? ????
Liaoning Provincial Standard of the People's Republic of China, ??? ????
人力資源和社會保障部, ??? ????
Jilin Provincial Standard of the People's Republic of China, ??? ????
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, ??? ????