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DE????? ???? ??
?? 10??? ????? ???? ??? ??? ??? ??.
?? ???? ????? ???? ??? ??? ??? ??? ????: ?? ??? ? ??? ???? ??, ????, ??, ?? ?? ? ?? ??? ??.
Professional Standard - Agriculture, ????? ???? ??
National Health Commission of the People's Republic of China, ????? ???? ??
Group Standards of the People's Republic of China, ????? ???? ??
Professional Standard - Commodity Inspection, ????? ???? ??
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, ????? ???? ??