????:1?????200?????:???????????

2?????????????

3??????

4???????

5???????????

???????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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