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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????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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