?????????:6?????1??8?20?77.12%

????:????????:??????????

8??23?????,???????????,??,?????????????????,??????,????6???????1?8?20?????????,??471?,??451?;???????????????,6??1????8?????20???????????145.68??,?17985??????????,?7.31%;8????20????????????????????18965??,?,8??????????10????19449???????????

??,?,6?1?8?20??77.12%,??????????1.57??

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