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DE?? ??
?? 33??? ?? ??? ??? ??? ??.
?? ???? ?? ??? ??? ??? ??? ????: ??? ? ?? ??, ?? ? ??, ?? ??, ????, ??(?? ? ??).
Hebei Provincial Standard of the People's Republic of China, ?? ??
Professional Standard - Agriculture, ?? ??
Tianjin Provincial Standard of the People's Republic of China, ?? ??
Jilin Provincial Standard of the People's Republic of China, ?? ??
Shandong Provincial Standard of the People's Republic of China, ?? ??
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, ?? ??
Group Standards of the People's Republic of China, ?? ??
Liaoning Provincial Standard of the People's Republic of China, ?? ??
Ningxia Provincial Standard of the People's Republic of China, ?? ??
農(nóng)業(yè)農(nóng)村部, ?? ??
Anhui Provincial Standard of the People's Republic of China, ?? ??
Guangdong Provincial Standard of the People's Republic of China, ?? ??