????:1?????:100????????

2?????????

3?????????

4?????

5????????

??6????????16??????? ?????,????????????????????6?16??????????18??????:??,6?????????????16?????20?17??20?,??????????????????????????????????????????????????????????????,?,?????????????????????????????????,??????????(250~270??)??????????(???????????????30~50??,?????????????????????70??),?????

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

?????:

1.?????????????;

2.?,?????;

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

4.?????????,??????????????

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