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

????:??? “??????????”????

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

????:1???????????:????????

2??????????

3???????

4?0731???????

5????????

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

????:???