
ñĤװΪĤ豸ĤΪȻϩĤƽƿΪ0.2 μmСܸߴˮӦ÷dz㷺羻ۣһ廯ˮ豸ԼҵˮˮĤϵͳIJ壬˾˴ˮֱӻáάҲһҪŵ㣬ˮ豸ʩһСԱɹ1998 ñΪӢһˮĿṩϵͳӶгչձ⡣ñŷͱΪгˮҵˮĿṩûʽĤϵͳ2001 ñйгйֹģˮõò˳СñォгչҺ͵ажӡ붫ǡĿǰΪֹñձԼ 981 ĿṩϵͳĿǰĤϵͳĿҵԣñȫһ

Դ 1952 ˮҵñһֱڿ칩ˮˮˮŷšʹõˮáͬʱñﻹͨۺܰķʽ뵽վ֮СĿǰΪֹñձǡжչҵΪһչչѸٵйͶڵҵñйһҺҵѿʼͶù˾йˮŷźˮŷгҵ붫ǵڷչطеĻʩгϡ⣬ñҵΧӦںˮˮ豸аˮˮЧܸѹá

ȫV_չĭhҪ҂̎@ˮаͥ@ˮ̎ԼIUˮ̎á
ñһϵЌˮ̎gĤxgĽ]ʽĤϵy͉pؚ֬ƹCcܔȳȥ@ˮs|ĸNˮ̎O䣬Լڽ͛@ˮ̎^ÓˮC@sCȡ
ӻě@ˮ̎ϵyУñһSˮ̎Oḅ܉͑ṩmϵbƷ
cͬrһˮ̹̎˾ñһˮ̎OḇеČмgY̎cW̎ԓИISܠ͑ṩmҰȫě@ˮ̎Q

P@ˮŷŻAOʩвƵĵ^,ͨ^MQ,ʹ@ˮͮbIUˮõ̎,ĶЧoˮh.ʹ@ˮõЧ̎,ͬrCˮˮ|,ñ漢аlĤxʽ߶ȼɻdwϵyȑùVĮbƷᘌͬN,ͬ̎ˇҪě@ˮ,ṩmϵˮ̎.QձĜQ,ؠ̎@ˮl]Ҫ.v^^,@ˮ̎AOʩĽOвƵĵ^^,ܶ@ˮδκֱ̎ŷӴ,ʹˮ|@ȾF携.M@ˮ̎OʩĻAO,ñ]@Щ^MQ.Q˾ñᘌN@ˮM̎ĽԌ@ˮ̎ĸˇ̸߶ȼРһw,ʩ^̣em˿^ɢ^StԺסլ_l^̎Ŀǰ͜QԽϵЈ^mUӆΔַLͬrЇӡcñ|ρćҺ͵^ռQ@һIeOŬ




