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2???400???

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

5????????

?8??2???? ?,????,??????,????;?????

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8??2?????4????????????????,??????????????????,????????,???????????????,2??08?3?08??,??????????????????????????????????20????,??????70????;?????????????????????8????????8?????????????2??????????????06????????

?(8??2????08???????-3????08???????) ?????:???????

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?(8????2??08??-20???????????) ??????:????

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8????2??????????????08?????3???????????????????08?????,???????????????????????????????????????????????????????????????,??,???????????(50~90?)?

???????(8??????????2??????????????08??????-3???????????08??) ??????????:????

8????3???????08??4????08?,?????????????????????????????????????????????????????????????????,???,????(50~80?)?????????????4~5???

?(8????3??????????????????08????-4?08?) ??:?

8?4?????08????5??08??,??????????????????????,??????,???????????????(50~90???????)?????5~6??????

?(8????4?08????????-5??????08????) ??:? ????????????:??