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

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

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

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

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

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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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