?? ????????????????????19.4???
????:1???????????:???????
2???????????
3??????95?
4????????
5????????
???9??27?????????? (???? ??)?27??????????,?????,????????19.4?,??????????2.77??
????????,????????????????????80%,??15.26??????,??20%???????????????????????????????,??????????????
?????????????????????????????????????10????????????1???????????,??10???5??????????,?????????9????????30??????????????????????????,??,?,?,???????
????????????????,???????????????,?????????????
???,????????,??????????,???,??????????????????????????????????????????????????,??????(?) ????????????:???