?? ? ????????????0.33????????
![](https://image.chezhanri.com/2020/0316/550ab8f12d4207a1b3ca58286f48301d.jpg)
????:1??????????:?????????
2???????
3???????
4??????
5???????
?6?29??(?????????)???????29?(?1??):????????,?????29?????17??,?????20.13??????????,?0.33??;?10.13?,?????????????????0.13??????
6????????????27?????20?29????17?????????,??1983?50???????(??????45.7%),??1015????????????????????100?(?23.4%),???415.0???????????117.9???,??110.6???????????????
29?18?,??????????????,29?????20??????30???20?,?,?????????????,???????????????(?????????,?????)?(?????) ???:???