?? ????????????5.0???
????:1??????????:??????
2????????????
3????????????
4?????????
5?????600
??????????10???14?????????? (??? ????????)?,14??21?????????17?????,????????5.0????
???????24.2????121.84??,???31.8???????????????;???20.5????
???:????????????????4???,???????3?????,????????????????????2???,????????1??????????????????????????
???,??4.1??
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???,??19?????????20??????????,???4.4???(???) ??:???????????