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

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3???????92?

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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???????

?????(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??????????????????????) ?????????:??