????:1???????????:2020???????

2?????????

3???????

4????????

5?????????

??????????8??19??????? (???????? ???????)????????????????????????????????????????????????????????????????????????????19??,?????50??,???1615??????,???????????????6%?

??????????,?2.05??????60???????,?????????????????????????????????????,?????????????????????

?????????????????????1500???,??1000????,???????1615??????,??????6%????,???????????????,???

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