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??Դ??δ֪    ?༭??HeBei21    ????ʱ?䣺2012/03/05 15:19    ???:??

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????(1)????Ҹ????΢??????:һ?㿪?ڳ???1cm???ң?????λ????Ҹ?£?????????ƽ?ɣ????????????࿨????飬?ƻ????ڳ?ζ?Ĵ??٣??????ܵر?????????޹ص?Ƥ????Ƥ?¼????????֯?????д?????΢???ָ?ʱ??̡??????޴????ۡ?΢??????Ҹ???????????Ϻ???ǣ???м????????ʡ?

????(2)С?пڰ????????ƺ???:??Ҹ????һ??С?п?,??Լ3cm????,Ȼ???ù??׽???ɦ??,??ȥë?Һͺ?????֯,?˷??̺?С,?????γ?Ѫ??,????Ч????????;

????(3)S???п???Ƥ?귨???ƺ???:?dz?????Ҹ?????????ƣ???Ҹ?ѳ??????S???п???,?γ???????Բ??Ƥ??,??Ƥ???µ?ë?Ҽ?Ƥ??dz??֬???޼?,??ɱ???Ƥ??,?ٸ?λ???,?˷?Ƥ??????С,????̺۲?????,ë?ҡ?????ȥ??????,???׸???,???޼?????????????п?ԵƤ????֯????;

????(4)Ҹ?ѳ????????ƺ???:?˷??Ǵ?֬?????????ݱ????.????????һ??Լ1cm??С?п?,Ȼ????Ҹ?ѳ????????й?ע????,??ͨ??С?п??ó????ܽ???Ƥ??dz?????,???Խ?ë?Ҽ???????֯?ƻ???????,?˷?ʹ??С,???????Ͽ?,?̺?С,??ȫ,Ч??????,??????ʱ?????ֱ?????ɱ?Ƥ?Ļ???.

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