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DE???? ??
?? 17??? ???? ??? ??? ??? ??.
?? ???? ???? ??? ??? ??? ??? ????: ???, ???, ???, ??? ? ??? ??, ?? ???, ?? ?? ? ?? ?? ??, ??, ??? ??, ????.
Group Standards of the People's Republic of China, ???? ??
SCC, ???? ??
United States Navy, ???? ??
農業農村部, ???? ??
Association Francaise de Normalisation, ???? ??
American Society for Testing and Materials (ASTM), ???? ??
Professional Standard - Agriculture, ???? ??