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偠tˮˮ̎Lڵ偠t\(yn)Ќ(sh)`:偠tĽoˮˮ|(zh),Ӱ偠tϵy(tng)ȫ(wn)(jng)(j)\(yn)еҪ֮һ,]н(jng)̎ˮкSs|(zh),e}Vx,@Щs|(zh)SoˮM(jn)偠tϵy(tng),(hu)ɘOΣ,ˮO(sh)ϵչʾ
1γˮ,(do)偠tܟ,pĽ. 2.͟Ч,ܺ
3.ϴˮˎ,\(yn)гɱ
4, (do)½ٸg
5ʹƷ|(zh)
ИI(y)Ĵ偠t,\(yn)Ѕ(sh),ԭ偠tܵԭͣC(j)ɵĽ(jng)(j)pʧK,(hu)Ӱ푾,ˌ(du)
偠ta(b)oˮˮ|(zh)Ҫe(늏S偠tҪˮ|(zh),>5MQ.CM,SiO2<20ug/L).һ늏S,ľO(sh)ˮ
܇g,(du)偠ta(b)oˮM(jn)̎
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