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

2?????????

3??????

4?????????

5????????

?8?7????????????? ?,?????????????8????7??????????10?:?????????????????,8?????7?14?????8????14???????,????????????????????????????????????????????????,??,??(100~130??)???(??20~50??,?????80???),??????????????

???????:??

????:

1?????;

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

3???,?????????;

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

?????:???