?? ?????????????? ???????
????:1????????????:??????????
2???????
3????????
4???????power
5?????
2????12?????,??,??,???????????????????(?)?????????????????????(?)???,??????(???????????????? ????)
?????:???????
2????12?????,??,??,???????????????????(?)?????????????????????(?)???,??????(???????????????? ????)
?????:???????
????:1????????????:??????????
2???????
3????????
4???????power
5?????
2????12?????,??,??,???????????????????(?)?????????????????????(?)???,??????(???????????????? ????)
?????:???????