?? ?????? ????????????????
????:1??????????:????
2????????????
3?????????
4??????
5????????
?11?2?? (???????????? ??????)???????????????,????????????????????2???????16???,?????2??16??30?????????
????????????,2??~4??????,?,????30??????????????
??????????,???????????????,??24?????????????,???????????????????????????????????7???????????100-150?????????;???????????????????????????????????????????????????????????????????????????8??50-80?????????
???????????,??,??????,??????,??????????? (?????) ???????:??