?? ?????:????????1.5? ???????
????:1???????:??????
2??????????
3???????
4???????
5?????150???
???????1?4?????? (??? ?????????)?????????,???????4?????????,??1.5?,??;???????????2??
????,4????,??????????3????1???2???????????????????,???1???7?,??????????0?,?????10????????14?,????????8????????10??
??,??4??????,??????1.5???????????1?,?????,?????????????1.5?????????,?????
?????,??4??7??????????,????????,???????,?????????????,6?,??????????6?7??????????????8??????,?????????5?????????????????????????6????7??
?????????????,??,1??????4??????????????,?24?????????27?,??
??,?????????,??,?????(????) ??:???????????