????:1??????:98?????

2???????

3???????

4????????????

5???????

1????????2?????10??????01????,??????????4.8?,???????????10???????????????????0.98???????????????

????????????????,?:

?????????????;

?????????????,????60km/h??????????????????,???????60km/h???

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

(????? ? ??) ???:???