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

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

??6???????28????????????????? ?:??????28?????8??,??14??

????????????????,???10????,???????18??????????????;???????????,?????????????????????????????6100???????????????????????5.8?????,?340?????????????

??,6?????,????????????????4????????????????????-??????

???????????,????29????????????????

??????5?????????????19?,????????????????????????????,?????????????????????50?????????????????????????,?????????????

????4?,???????,????????????????????50%????????50%,?????,????????????(???????) ???:????????