????:1??????:????????

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5???????

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

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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??)

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

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

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

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

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