?????????????????
????????????(GB/T4754-2017)?C271?C278???,?????????????2019?7?1??2020?7?1???????????????????(GB37823-2019);??????C271?C276?????“?????????????????????????????”?????????????“??????????”?????????“???????????”????????????????????????DB35/1782-2018??1??2??3??????
????????????????????????
1.????????????(GB/T4754-2017)?C2641?C2642?????????,????????????2019?7?1??2020?7?1??????????????????????????(GB37824-2019);???????VOCs?????“?”?“NMHC”??????????DB35/1782-2018???????????????????????DB35/1782-2018??1?????;???“??????????”?????????“???????????”??????????????????????????????DB35/1782-2018??2??3????????
2.????????????(GB/T4754-2017)?C2643?C2646???,????DB35/1782-2018;?????VOCs????????“???????????NMHC???”,????????????2019?7?1??2020?7?1????GB37822-2019??A??A.1???????????????????????GB37822-2019??????
??????????????????VOCs????
?????????????????DB35/1783-2018?DB35/1784-2018;?????VOCs?????????“???????????NMHC???”?????,????????????2019?7?1??2020?7?1????GB37822-2019??A??A.1??????????????????????GB37822-2019??????
?????????????VOCs????
????DB35/1782-2018????????????????????????????(????????????????????????????????????????)?????DB35/1782-2018;?????VOCs??????????“???????????NMHC???”?????,????????????2019?7?1??2020?7?1????GB37822-2019??A??A.1??????????????????????GB37822-2019??????