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?? 31??? ????? ??? ??? ??.
?? ???? ????? ??? ??? ??? ????: ??, ?? ? ??, ??, ??? ? ?? ??, ??(?? ? ??).
Professional Standard - Agriculture, ????
VN-TCVN, ????
Group Standards of the People's Republic of China, ????
Professional Standard - Environmental Protection, ????
- HJ 1088-2020 ???? ?? ?? ?? ????? ?? ?? ?? ??? ??, ?? ??, ?? ??, ?? ?? ? ??? ??
Hebei Provincial Standard of the People's Republic of China, ????
Professional Standard - Coal, ????
Hunan Provincial Standard of the People's Republic of China, ????
Sichuan Provincial Standard of the People's Republic of China, ????
農(nóng)業(yè)農(nóng)村部, ????