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1δʹû坍IJuuͿˢһSWˮۄˮ۹Ĵ˟o룬ҽ^׃uuԭЧ
2ͬrԺ坍Ҳˮ۹ֻͣwSpp۹ȥoۙ
u坍
1nnuסƤЬӡnʹôcϡҺ(Ưׄ)ʹÕr20-30犺ò;ЩBu(ni)rg^LnݕrgׂСr
2 īˮϞù׃γɵùcʹôcϡҺ(Ưׄ)ֻҪƯׄͿn̎ݎȻͺ
3ˮˮˮPPʹ}Һױ顣
4ۡӛ̖PϞʹÉA坍ЙC܄(ͪϩ)ȥȥۄ
5zNӡȥʹ÷ʹ20%-40%Ěc(NaOH)ҺݶʮСròȻ30%-50%}(Hcl)Һʮ犺ò
6܄tʹÉA坍
7ʯҹʹ坍坍
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