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?12????26? ??????????26??,26???????????27????????,??????,????2~4??,???????????????????????????????????????4~6???????????,??8???27????29????????????,???,????,??????(20-30?,????35??),????5-10cm???30cm???????

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26?27????,???,??2~4?????????????,????????????????????????????4~6??,????????????8???????????,12??26??????08??????27?08?????,?????????????????????????????????????????????5~6????????????????????7~8??;??????????????????????????????????????????????????????7~8??????????9~10????12??????26????06?????????

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27????29????,??????,?,?(20-30?????,?35?),??????5-10cm????????30cm??

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12?26????08????????27?08??,?????????????????????????????????????????????????????????????????????????????????????????4~6??????????

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12??27???????????08??????28????????????????????08????,???????,?????,?????,???(20~25?)??????????????????????????????????????????????????????????????????????????????????4~6?????;?????????????????????????????????????????????????????????????????????????7~8???9~10?????

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12?28?????????08????????????????29?????????????08??,???????????????,??,????????,??(20~25????????????????????)?????????????????????????????????????????????????????4~6??????;?????????????????????????????????????????7~8?????9~10???????

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