????:1?????????:???????????

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

3?????600?????

4?????28??????

5??????

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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