???????,??????????????,??????????????????
??????????????4-12??????????
????С?????????????????????????4-12????????????????????????????????????????????????ο???
????????5???????賿?????????????70%?????????????????г???????????У?????????????
???????????????????
??????????????4??-5???90???????
??????????????5??-6???230???????
??????????????6??-7???600???????
??????????????7??-8???1300???????
??????????????8??-9???2000????
??????????????9??-10???3200~3500????
??????????????10??-11???6400~7000????
??????????????11??-12???11000~12000??
PS?????????????????????100-300?????????!
?????????????????????4-12????????????????????????????????龡?????????????????