????????? 12???????????????

????:??3???????:????600??

??6?????13??? ??,????6????????????????13??????10?:??????????,6????13?????14???????14?????14?????????,?????????????????????????????????????????????????????????????????????????????,?????????????????,????????????(100~150??)??(???30~50???????????,????????????80??),???

?

??????:

1??????????;

2????????????,?????;

3???,????;

4??????????????,?????

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