????? ????????3.5????

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

????6??????15?? ???????????“pptv online”15??,??“?,???????????,??????”????????

?????????,????????1????????????5?????,???????????????1500?????????????????,?1.1????????(????2200??)??????,??????????????????????????2170??????????????????,???????3.5????(??????????????????7000???????)?

???????,???????,????????????,???????,??;?,??????????????,????;????????,???

????“???????????,????????????,????”?????????,???????:

??????:???,??????,?????,????;?????????“?????????”:??????????????,????;??????:???????????????,???,??????????????????????,???(????) ??:?????????????