???????????????????????????1??7???????????? (??? ??? ??)??7??,??6.8??,????????????????????????????????????????????2.2??

????,1?????????????????????7????????????????9?????????5??????????????,??(??28.50?,????????87.45????)??6.8????????????????????,???????????????10???????????????????????????????????,??????

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

??1500??

????????????????????????,????????????????,????????????????????????????2.2???????????,?,????????????(?????) ??:???? ??“??????”

?? ??????? ????????2.2???????

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

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

3????????????

4????????????

5???????

???????????????????????????1??7???????????? (??? ??? ??)??7??,??6.8??,????????????????????????????????????????????2.2??

????,1?????????????????????7????????????????9?????????5??????????????,??(??28.50?,????????87.45????)??6.8????????????????????,???????????????10???????????????????????????????????,??????

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??1500??

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