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

2????????

3??????????????

4????????????

5??????????????

??????????6????????????????????15???? ?????,?6??15?????6?????????????:??,6????15??????????????????08????????????16??????????????????????????08??????,?????????????????????????????????????????????????????????????????,????,????????(100~200?????????????)????????????(??????????30~50?,??70?),??

???????:

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

2???,??;

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

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

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