??????????12?????????????20?? (???? ?)??????????????20?????????,???????????,????,???????????????????????????????,??4.8????,?????

12???20???????,?????

“?,?????????????,?????????????1000??????????(???????????????,??????????????????)???400??????”???????????????,?????,??????????3.76??????????????,??????????130??????????????16????????????????,???143????,????????????173??????,????????????????????

?????????????,??(?????????????),????????????????????????????????????????????????“?????????????????????????????????”??,?????????“????????????????”?????????????“???????????123????????,???????????????????????”

???,???????7???????,???4????????????,????????“?????6-8?,?????,?,????????????????”???????????,?????????83????????????,??

????????????????????????????,??????????????,????,??????????????,????5???????,??700???????,?????15????????????,???????

“??????????????,???????,????????,??????????”??,????????,???????????????,?????????????,?,??,????????????????????????????4??(????)

??:??????????????? “????”????

?? ???4.8????? ???????

????:1?????:??????

2??????

3?????????

4??????

5???????????

??????????12?????????????20?? (???? ?)??????????????20?????????,???????????,????,???????????????????????????????,??4.8????,?????

12???20???????,?????

“?,?????????????,?????????????1000??????????(???????????????,??????????????????)???400??????”???????????????,?????,??????????3.76??????????????,??????????130??????????????16????????????????,???143????,????????????173??????,????????????????????

?????????????,??(?????????????),????????????????????????????????????????????????“?????????????????????????????????”??,?????????“????????????????”?????????????“???????????123????????,???????????????????????”

???,???????7???????,???4????????????,????????“?????6-8?,?????,?,????????????????”???????????,?????????83????????????,??

????????????????????????????,??????????????,????,??????????????,????5???????,??700???????,?????15????????????,???????

“??????????????,???????,????????,??????????”??,????????,???????????????,?????????????,?,??,????????????????????????????4??(????)

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