?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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