???????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???(???????)