????:1??????????:??????????v

2????????

3?????

4??????

5?????????

????????????2????????12?????????????????? (? ????????????????????)?12??????????????,1?,?????????,??109.2???????????????????,????????????3.5???????????????

?????????,?????123.4????????????????,?????7.5???????,???,?,???8.1??????????????????????120.8??????????????,?8.5??

1?,?????????????,?????2.0????????????1.3???????????????3.0??????,????????4.8?????????????????5.0????4.1???,???????????100???

??????????,????????????,???,???,????????,????,????,???

??????????????,???????????????,?????????????????????????????????,?????????????????????????????????????????????????????

???,2?,?????,??,???(???????) ????????????:????????????