9?2????!???????2V2???????????????
????????
1???粼?????????????????????????????????????????????????!
2???????????????????????????????????
1??12??(????)????16?????????????????????飬??δ??????淨??????????????????????????
???????2V2?????????
?????1??12??(????)????16????1??15??(???)????16?????????
???????????????????????
???????????β???????????????50???????
????????
3???2000???
5???4000???
7??????????
9???20000????
PS??????????????????????350???5???????3000????140????
PS??????????????????????????????????????????????????????????