ˮ̎ͨ^(sh)(yn)_ۺȻXmͶˎ
ۺȻXˮ̎ИI(y)(yng)÷dzձ飬
(du)ˮ̎þۺȻX_(d)mʹЧͽ(jng)(j)ЧÑɸ(j)ͬˮ|(zh)rͨ^(sh)(yn)_ۺȻXmͶˎa(chn)ƷAL2O3ٷֱȺϡ5%ҝͶӡ(du)켈ʩzþۺȻX÷cXһӣX֮һ^ɼӋ(j)2%3%
ǹI(y)Óɫr(sh)Ȍa(chn)Ʒ3-5%ˮҺAL2O3Ӌ(j)㣩ȻӵÓɫ֭510PPm
˽ۺȻX̎ЩI(lng)ˮ|(zh)
ۺȻXҪˮI(y)oˮעˮѭh(hun)sˮNˮˮˮӡȾˮ켈ˮ䓏Sˮȣ̎ۺȻX߀켈ʩz턩Óɫ儩߀t(y)ˎyƷ;Tȶ(g)I(lng)Ҳ;dzV