?2?????????13?? (??????? ???????????????)?????????????????????????????(??????????)????????????????????????????????13????????????,±800??,???

?????????????????,???????,????????,???????26???????????????????????????

2???????????????????????????12?????,?,???????????????±800????????????????????????????????? ?

±800?,????????????????????????????2020???6???30???,????5??????,??????????????700?????????

??±200?±400?±600?±800?,???????????????????????6??1??????????????1???±200??

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

??????,???????????????????,???2000??????????????????????????????,???????????????????

“?????????”??(????)

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