????????????????

????:?????????150???:????gm??????

???????????????12??2?????? (??????????? ??????????????)???,?????????????????2????,?????8?????????,???

??????????????????«?? ???? ????»?9?,????????????????????,?????????????????????????????,??121???????????????????896???????,??????????????“?”????????????????????????????????

???????????????,?????,????587????600??????????“???????????????”????,???????93%???????(??????????????????)?

???,?????????????????????????????????????????????400??240??,????2.8??

???10??,?????2.5??????????????????;???????160?????,??91?????????;???3.5%,???????????????????????(?????????) ??:???