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2ͬrԺ坍Ҳˮݡ۹ֻͣwSpp۹ȥoۙ
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1nnuƤЬӡnʹôcϡҺ(Ưׄ)ʹÕr20-30犺ò;ЩBu(ni)rg^LnݕrgׂСr
2 īˮϞù׃γɵùcʹôcϡҺ(Ưׄ)ֻҪƯׄͿn̎ݎȻͺ
3ˮࡢˮˮPPʹ}Һױ
4ۡӛ̖PϞʹÉA坍ЙC܄(ͪϩ)ȥȥۄ
5zNӡȥʹ÷ʹ20%-40%Ěc(NaOH)ҺݶʮСròȻ30%-50%}(Hcl)Һʮ犺ò
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