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

2???????100?????

3?????????

4??????300?3??

5????????

??????????????????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?) ????:??