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?? 3??? ??? ?????? ??? ??? ??.

?? ???? ??? ?????? ??? ??? ??? ????: ????.

Professional Standard - Chemical Industry, ??? ?????

• HG/T 4822-2015 ??? ?????
• HG/T 4821～4822-2022 ??? ????? ? ??? ?????(2022)

工業(yè)和信息化部, ??? ?????

• HG/T 4822-2022 ??? ?????

??:   ??? ??, ??? ?????, ??? ?????, ??? ??, ?????, ??? ??? ??, ??? ??????, ??? ??? ??? ??, ??? ??? ??? ??, ????? ??, ??? ??? ??? ??, ??? ??? ??? ??, ??? ?? ??, ??? ??? ??? ??, ?? ??, ??? ??? ??? ??, ??? ????? ??? ??, ????? ?????, ????? ????(?????).