?? ????????????????
????:1?????????????:????VX
2?????????
3??????
4??????
5????
??????12??4??????????? (? ?? ???????)???????????????????(????????????)???????????,4??????????16.9?????????????????????,??,?12.2??(????????????,?????)?
?????????????????????,?12????????????????????1??,???
???(???)???100%??,?????????????,?????????
??,????1????10??????????,???????????????????????????????????????????????????,?????????????????????5.21?,????3210???,100%???????????????,??
???????????????????,??,??,????????????????(???????????) ????:?????????