?? > ???? > ??

??????????????????

????:2024-06-27 17:43:23 ??:????

????:??????????:???????

????6?27?? (?????? ??)???????6???????????30??????15?????????????????27??,??????;??,???????????????????,????????????(??)??????????

???????????????????????,????????????????????????????????????????«????»,????????????,??????????????????66????????/?????

????27?????? ??????????????? ??

?????,?(???????????)??37????????/???????????????23???????????/???????????????????(???????)????6?????????/???;1???4??1?1.5?2?3,??????????????????3???????4??????????60%??????????????;1????????6???????????????????????????1?2.1?3.16?3.75?3.86?4.09,?????

?,????????????,??7?????????????????????“??”???ETC?95???

?????????????????,?????????????????????,?24?????????,?????????????????????????

??????,??????????,?;??????,???????,????????????????,?????????????(??«???»(JT/T 4892019)???:?(?????) ???????????????4???,??????)??

??????????????????????????????,??,???

?,????????????????;??????,??????????

??????????????,???????????,??????????,??????????,???????????????????????,????????????(???)

??????????????:?????

????

  • ????
  • ????