??????

?
???!!?,??,?.?
.,,? ???..?
???????
???????
?? ?  ??
???... ???????

???????
????????????????10???????

???????????

????
1? ?????6?2???

??????????????

???????

2??? ?????????

??????????

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

?????????????????

??????????

4?

1???????????5?

????????????????



2?????????160 ~200??2~3?

???5~6????10%?????100~150???

??
??????30?1500??100?5?5?5?20?20??20?5?3000??...

?,.?.?????,?,??,???.


?,.?.?????,?,??,???.
????????????????????

????
????????BF?????
???????
??????????

???????????????????????????????
????????????????????????????????
???????600??????????????????????????
????????????????????????????????????????
?????????????????????????
????????
????????????????????????mm????????
???????????????
????????????????? ...