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

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

?????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?????????(?????)

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