?? ??????10%????????????????????
????:1??????:??????????
2?????600?????
3???????
4????????
5????????
?????????????????2??????????2? ???,2????2????????????????????,?10%????????
?????????????????????:??????2??????1????,?????10%?????????????
??,?????????????????,?????????????10%?,?????????,???,??????????????????????,????????????????
????????????????????????????????????????????????????????,?????,??????????,????
?????????????????????????????,??????????????????????????????????,????????2019?,?????????????????????,??????????????????????,???????????,?????????
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