?? ??????????? ???????????
????:1???????????:???????
2?????????
3?????????
4?????vx
5?????spa
12?????20????,?(?????????),????,??
????????????(??????????????????????????????????????,??????????)??68.6????,????????????3????????
?????2??1????2????,?2?????????????????????????????????????????????????????????????????1?????2???????????????????????????7????,??????????5?,????2???????????????????
??,?????40??,????????????,????????????
(?????????? ???????? ????)
??:?????