?3??????oé?2è????¨???è′§?o-é???????????é?2è????¨???è′§?o-?????°??·???a???±±???é??é?μè??é?￠??????????3¨????2??o-???é?????????±??????ˉ????§???¨???????-? 12?1′????o§???éa??????·?????′?????????
??????4???é?￠?-?è????￥???????????±??????????￠??????o???é?￠?-????è????￥??????é????¨??μ??￡?????????????°′?13é????¨??-??￥??????é?￠?-???￥?¤′??????????o???|???????·￥è§?è??è§?????????????é?￠?-??????￥?¤′?|??￥?é?￠???è·??|??o???|???è??è??è|??±????é????¨??μ??￡??????????????￥??????è???????¨???????????????????????￥??￥?¤′????o?é??????????¨????????￥?¤′??-???è?3é???o|??oé?￠?-???′??????35??????????°??o?500mm?????o??μ??????????????1é?￠?-????????????¤??a??￥?¤′;??￥?¤′?????????é?￠?-??????aé?￠é?￠?§ˉ????o?è??è?????é?￠?§ˉ???50%???????????o?????????????????1é?￠?-???¨????????aé?￠???è??????o???a??￥?¤′?????????3.?????¨?????????????￠?é?￠è￡????????¤?è?±???é????¨é?2???é??????????°???é????¨??°è????????
?3??????oé?2è????¨???è′§?o-é???????????é?2è????¨???è′§?o-?????°??·???a???±±???é??é?μè??é?￠??????????3¨????2??o-???é?????????±??????ˉ????§???¨???????-? 12?1′????o§???éa??????·?????′?????????
??????a??è???¤§????o§???????o§6?±????è??é?￠??o?-????é????·?ˉ???o?-??°????????1?????????ˉ??¨??oé?′è|??¤???o???????1???????a???￠??°?é??è?¨?¤o???é???2?????·￥è?????????????￥?????°2000??????é????ˉ??￥??????èμ·è????·????????????a????¨é???2?è???¤§???????????°???????o§???????????·??????a???????oé?¨???????o§?????????è????-??????????￠??°?é??????¤§??????????o?é???2?è???¤§???????·￥??????é??????????¨???????o§?????????????°?èˉ?a??a??a????o?￥?é?￡???15?±??¤§?￥???a??¨?o?6?¤????é?′?????′?????-??o??a??¨?o?46??a?°???????è￡??????¨???90??a?°???????é???o??·2????o???°??oè￡??????o?-???o?·￥é????￠????′???¨???????1?è￠??????????è?¤??o??ˉ?????·??????????????a??·??????????????????èˉ￥????±??????±é???o??????oè???′???¨??????é?????????????????é??é?￠?????¨????????????é?′??????è????¤?????oè°??????μè§??????ˉ??o?-??·￥??°?′???¨???????????′??°??￠??￡?o§??????é??è??é???¤??????¨é??????o???o?-???????????μaè′1?????o?-?????o§??????é???????¨é??????ˉ???-????????3?ˉ??????￥???????°?éa¨?ˉ???????éa¨??????é?????????????????è?¨?¤o????ˉ1?o§é??è?ˉ?￥??????3?-?????????3???é???????￥??3?-?????????oé??????????????????????oé??????1??§ˉ??o0.16~0.2??o?????????è????°????3μé???··??????????μ?????????????????°??o?36%????1????????¤§?o?45%?????o?-¤?o?????????3?-?????o§é???????￥???????2?????????¤?o§é??????o§é??é????????????????oé?????????¤§?o?42%??o????????3?-?????????oé?????è???°?????????3?ˉ???ˉè???°??????¨?°′è???ˉ?????°?éa¨?ˉ???????????????????????????3?ˉ?????????¨???è|???ˉ??±???????·￥??§????????￠??§è′¨????ˉ1??????????????o?o|?1????????????±???????????????é??é?￠?2??o-??ˉè???1′??￥?¤§???é???????¨??????????2??o-?????￥????¨3é????????é??é?￠???è?2??????é?2é??è????¨?????1??1?????°??￠??·????????±????????ˉè????￥?1???????????????￠??·?????°???é??é?￠?2??o-???????1????é??è?1???è??è??????¤??????????é??é?￠?2??o-??￠??·?????°???????¤§???é?????????1????é?????è§￡??????é??é?￠?2??o-??¨?????ˉ???é??é?￠????????????è???????????è?o??ˉ201???304???é??é?￠é??????????o???é?2é??è???????????é???°±??ˉ??????è′¨?????1???????????o????1????é??é?￠é?￠????????¨?????¨?????μ???é?′è????????è????ˉ??????é?¨????o§????????o??°é????1??￠????°¤?????ˉ??¨?·?é?¨è????????è????ˉ??o????1???￠???
