?? ? ??????5.4??????????
????:1???????????:?????????
2???????????
3???150???????
4??????
5????????
??????????11?22?????????? ????????,?22?,?5.4??,?“????”?
?,???22??????????18?45???????????20?22??????20???????????????40??????20???????43?????????????21?29?,??20??????40??5.4??,?23.2????????????????????120.18?????,??????????23.2?,??7.7????????????????????
????,?????,??????,?,?????“???????????”?????,??????
??????????,??“??”,???????????“?????????”?
??,22????20???40?????????????4.7???????????????????(?????????) ????:????