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DE???? ??? ???
?? 6??? ???? ??? ???? ??? ??? ??.
?? ???? ???? ??? ???? ??? ??? ??? ????: ?? ?? ???, ??? ??, ??, ??, ???? ? ?? ??.
國家市場監督管理總局、中國國家標準化管理委員會, ???? ??? ???
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, ???? ??? ???
Group Standards of the People's Republic of China, ???? ??? ???
Gansu Provincial Standard of the People's Republic of China, ???? ??? ???
Professional Standard - Energy, ???? ??? ???