?? ???6.4?????? ?????????
????:1????????????:?????150???
2???????100?????
3?????????
4???????????
5?????????
??????1?21?????? (??????? ??)??,21???????0???17????,???????6.4?,???????????????9.7?????,????????????
?37.9?,???,?????????6????????????,????,????,???
???,????2???????4?????????,?????,????????,??,????????????(??)
????????:?????????????????????