?2???????28??????

?????????2?21?? (?????????? ?????)????????21????,????????????????????????2????????????28?????????,???????

??,?????,??????31.1??,?????????????????“?????????????+??”??,???????????????????,????,????????????????17.8??

2024?????12?11???,??????,????????????????????,??????????????????,?,???,???33?/?????????????,????????????13.3??,????,????????0.6??/??

???????JT/T489-2019???1???????4??????1?1.5?2?3,1?6???1?2.1?3.16?3.75?3.86?4.09,???????????????????????????,???????????6??????,???????????,???????0.17????

????,??30??,????,????“?????????????????????????????????????????????”??

??????,??“??”??,?,???2???????????????,????2?2?????(?????),????????????????3.32??

????,?“????”?????????????,?????????????,??150??????(?????)