?? ????????????????????????
????:1???????30??:?????????????
2???2019????
3?????????
4???????
5??????????????
????????????????1???31?? (?? ???????????)?????????1??30?,?????????????????,??????,??
????1????????30??17?????????????????????,1?30??????????????20??31???????7????????,?,?????????,????1??????2?????????0.6??????,?:?3.6????3.1????????????????2.7?????????
?,????,?????1?????31????????11???28???,?????????????,???????????,???????????????;??????????????????????????(?)????????????????;?(?)?????;???
???1?31??????????????????????????????????????????,?????
?????,1????????31?,?,?,?????????????????????,?????????3?????4??,??5????????6??????:????????????????4?????????6?;?1???????????????3??(?) ?????:???????????