?? ?????????30??????
????:1??????:??????????
2???qq??300??????
3?????????
4??????????
5?????????????
???1???5??? ???5????????????,?????????(?????)????30??,?100???????????
????,????????1???3???????,???????????2.6???;???1?4?2???50??????,?4.1??;????????1?5????5?30?,????????????3.3??????????????????
??????????,?,????????????,?70??????????????,?????????,?????????,??????????????,???
??,???85????????,???????????18?2.5??????????(?????) ??:???