?? ???????????????
????:1????????:??????
2?????
3???????????
4????????
5???????
????????????6???????????15?????????????????????????? ?????,?6??15?6??:????,6?15?????08??????????????16?08??????,?????????????????????????????????????????????????????????????,?,???????????(100~200??)????????????????(??30~50???????,????70?),??????????????
????????:
1????;
2????????????,?????????????;
3???????????,?????????,??????????;
4????????????????????????????????,?????
??????:???