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

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

3????????

4???????

5?????

????11?????2??????????? (?????? ??)???,????2??16?????,??????????????????????????????????????2???????????????16??30?????????????????

?,2??~4?????,?,??30??????????????????????????

?????????,??,??24??????,?????????????????????????????????????????????????????????????????7???????????100-150???????????????;????????????????????????????????????8??50-80???

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