?? ???4.2?? ?????????????27????
????:1?????????:?????
2??????????
3???????
4???????
5????????
??????????6??16?? ?:6?16????13?39?????????????(??39.08?,???75.27??????????)????4.2?,?27???
???:?? ????:?????????????6??16?? ?:6?16????13?39?????????????(??39.08?,???75.27??????????)????4.2?,?27???
???:?? ????:???????:1?????????:?????
2??????????
3???????
4???????
5????????
??????????6??16?? ?:6?16????13?39?????????????(??39.08?,???75.27??????????)????4.2?,?27???
???:?? ????:???