?1??30???????????? (? ????)??30?,30???5??????25????????????????,?2.8?,???10???????

??,????????????,???????8??????????????,????????????????????

???????,???5.0??????(??)

?????????:??? “????”????

?? ???2.8??????

????:1?????:????150???????

2??????????

3?????QQ?

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

5??????150??????

?1??30???????????? (? ????)??30?,30???5??????25????????????????,?2.8?,???10???????

??,????????????,???????8??????????????,????????????????????

???????,???5.0??????(??)

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