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

????:??????:???????95?98??

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

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

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

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

???:???