??????2??13??? (??????? ???????????)13???,??????168.86?????????????????

??,???????????62.90??????,????????????,?????????????,??????:“?????????????????,????????????????,????????????,???????(???????????)????(????)?”

??,????????????????“????????????,????,(???????)???????????????????????,??????????????”

???????,????:“?????????????????,?,??????????????????,????????????????” ??????:??? ??“???????”

?? ????:?? ???????

????:1????????:??????

2?????????

3???????

4?????vx

5?????????

??????2??13??? (??????? ???????????)13???,??????168.86?????????????????

??,???????????62.90??????,????????????,?????????????,??????:“?????????????????,????????????????,????????????,???????(???????????)????(????)?”

??,????????????????“????????????,????,(???????)???????????????????????,??????????????”

???????,????:“?????????????????,?,??????????????????,????????????????” ??????:???