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