?? ??????????? ??????????
????:1???????:???????
2?????????200??
3????????
4???????????
5????????
?12???????????????????4?? ???????,????????4??????????????
?????????????????????? ???????
??10??(11?24??????????12????3??),????????????????????????????????????????????????????????????????5~15?,???????????????????20~40?,??50~70??????;?????????????????????????????10~30?????,??40~60???
????10????,??????????????????????????????????????????????1~4?,?????4~6?;??
?? ????
????????10????????????(12??4-13????????????),???????????????????????10~30??,?40~60??;??????????????5~15???
??:????????????10?????????,?????????,??????????????????????????????2~3?,?????????????????????1~3??
??:??????????????:
4-6??????????,??????????????????????????;????????????,4-5???????????????,??????????????????????,?????
5-7????????????????,??,??2~4?,????6???,?????????4~5??
11-12??????????,???
????????????
??11-14?(12????14-17??),??????,????2~5??????1?????,?2~3??
????
1. ?????????
??10?,???????????,????,??,????2-3??
2. ??????
?10??,??????????????????????????????????????????????????,??20~40????????????,???50???
???:?????