???????????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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