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