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??7????????????1??????? ????,7?????1-2???????????,3??,4-8??,10????????????(?????????6????????)?

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6??(6????21-30??),???????????????????????????????????70~120???????????,???150~300?,???????????????????????????400?????;???????????????????????????????30~70??????????????????,??????????100??;???????3~8????????????????,??1????????????;?????????????????????????????

6?,?????????????????????????????????????????????4~8??35???????????,?40??????

??7?3-8?

7???(7????1-10?????),??????????????????????????????????????50~100?,???????????????????????????????????????????????????150~200????,?250??;??????????????????????30~80???????,???????100????????3~7????,??????????????1?????????

?:??

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7??1-2???,??????????????????????????,????????????????????,?,?????

7??4-8?,??????????????????????????????????????,?????????????????????

7??????????????10??????,?????

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?11-14???????(7?????????????11-14????????????),??????????????????????????????30~60???????,???70~100????????

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7??????????????????????3-8??

7?????????????1-2????,3????????????????,4-8?,10??(??????6????)?

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7?4-8?,?????????????????????????,?35~38????,?????????????????,?????????4-8???

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7??2-3??????6??,????,?????????????

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7???

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