?? ????????1.7??????????? ???2.6??
????:1??????qt:????spa??
2????????
3?2021??????????
4???150???????
5???????????
???????????,??????????????1.7??,???????6.3????1??????10??????,?????????????????????2.6?????????
???????????????????????????,????,?????,?,?????????,?????????????????????????????????????????
? ????:??????????????????????????????????,???????????????????
??,??????????????????,??1000??????????????????????????????????????????,??????????????,?????????????????????????????????,??
????????????????????????????,?????????,?????????????????????????????????????????,??
???? ???:????28.6???,??????700????????????????,???8500??,?????????????12??(???????) ???:??????????