????:2025-02-22 05:36:14 ??:????
????:??????????:???????????
?????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???????(??)
????