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????:????????????:????

??????12??????????????????????27? ????27?????,27??,??,????????????????????????????????????????????????4~6???27?????29?,????,??????,27-28??(???20~25??,???????????????????30????),?5~10cm?????25cm????,29???????,?????

????????

27????,??,??????????????????????????????4~6??????????????,12??27??08??28??08?????,??????????????????????????????????????????????????????????5~6???????????7~8?,?,????9???????????;??????????????????????????????????????????????????????????7~8???????????9~10?????????????????12?27????????????06?????,28?30?,?????????????????????????4~6????,???????????7~8?,??????????????????9???

??(12??27??????????08?????????????-28????????08??)

???????????

27??29????,??????,??,27-28??(??20~25??????,?30????????????),????5~10cm?????????25cm????????,29?????????????,??

?????

12??27??????????????08?28?08?,????????????????????????,??,???????,?????(10~19?)??????????????????????????????????????????????????????????????????????????????????????????????????????4~6?????????????????7~8???

???(12?27????08?????-28??08??)

12???????28????08?29????08?,??????????????????????,??,??(10~19??)???????????????????????????????????????4~6???????????7~8??;???????????????????7~8???????9~10???

??(12?28??08????????-29?08?)

12?29???????08????????????30??08??,??????????????????,?,?????????????????,?????(10~15?)???????????????????????????????????????????????????????????4~6????????????????????7~8?;????7~8?????,??9~10??

?(12???????29??????????????????????08??-30??08?) ???:??