uıB(yng) 1δʹû坍IJuuͿˢһSWˮۄˮ۹Ĵ˟oҽ^׃uuԭЧ 2ͬr(sh)Ժ坍Ҳ(jin)ˮ۹ֻͣwSpp۹ȥoۙ u坍 1nnuסƤЬӡnʹôcϡҺ(Ưׄ)ʹÕr(sh)20-30犺ò;ЩBu(ni)r(sh)g^L(zhng)nݕr(sh)gׂ(g)Сr(sh) 2 īˮϞù׃γɵùc(din)ʹôcϡҺ(Ưׄ)ֻҪƯׄͿn̎ݎȻͺ 3ˮˮˮPPʹ}Һױ顣 4ӛ̖(ho)PϞʹÉA坍ЙC(j)܄(ͪϩ)ȥȥۄ 5zNӡȥʹ÷ʹ20%-40%Ěc(NaOH)ҺݶʮСr(sh)òȻ30%-50%}(Hcl)Һʮ犺ò 6܄tʹÉA坍 7ʯҹʹ坍坍 |