-> ίdBõˎ
ίͻl(f)dBõˎʲô
rg2013-12-27 15:25:01 dBt(y)Ժ
҂dBһϤôίͻl(f)dBõˎʲô?ܶߺPע@}dBίķкܶˎίҎ(gu)һNҲǺܰȫһN҂dBt(y)ԺҽBίͻl(f)dBõˎʲô?ϣ͵
ίͻl(f)dBõˎʲô?ָdBһNԼ߀]`ˎˎǛ]ϣҲ^ǟoˎt(y)20%25%Ļ߰l(f)ܵõֻֿмs10%15%Ļ߰l(f)Ʋã@Щ˲džμdBϲһЩ(jng)ϵy(tng)ͯ(jng)ϵy(tng)ڰl(f)һЩrƲõİdBSgLDе
ͬrRУˎ}еİdB߶ݚDt(y)sƲ˰l(f);еİdB߶NdBˎͬr@Щˎ_жˮƽʹdBòܺõؿsˎĶ;еһNdBˎδЧҲ֓QһNBˎίҲoȡúܺõίЧ
dBһNҊ(jng)ϵy(tng)͵İdBl(f)H˵Ll(f)J֪ӛӰ߀ӰĽԼeOҎ(gu)ίdBҪxSt(y)Wl(f)չ҇s500f600fdB(5аl(f))ͬrÿӰdBs40fȻֻ37%dB߽ˎί(j)˹㣬400fһdBߛ]еõrίxˎ茣I(y)ָ
ίͻl(f)dBõˎʲô?ҌdBPB͵@ґԓdBһJRίdBһҪȥҎ(gu)t(y)ԺǧfҪŽ߅СT\С@Ըտ߀ЌdBκɆھԃԺԺҕM
аdBĆ}ՈԃھҞ
һƪ: ίͻl(f)dBõˎЩ
һƪ: ίdBõˎʲô