????:1?????????:???600??????

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

3?????

4?????????

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

???????2??????????2??????????????? ????????????????????,2???2???????,??????10%??

?????:?????????????????????2?????????????????1????,??????10%?????????????????????????

??????????,?????????,?????????????????10%????????,???,?????????,?????????????????????,??????????

??????????????????????????,????????????,?????????????,?????????????????????

????????????????????????????????????,??????????????????,?2019??,?????????,?????????????????????????????,?????????,???????????????

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