(yng)ǹI(y)ÓɫɫۺȻXʹã?yn)ȻXİɫۺ_(d)ʳƷ(j)ʳƷI(y)eǹI(y)С_(d)ѵʹЧͽ(jng)(j)ЧÑԸ(j)ͬˮ|(zh)_a(chn)ƷAl2O3İٷֱȱϡ5%
(du)켈(li)f(shu)cXͬľۺȻXX(g)Mɲ֮һ^(du)(ı2%3%ǹI(y)Óɫr(sh)a(chn)Ʒ3-5%ˮҺУȻ뵽ҪÓɫĸ֭5-10ppm
ɫۺȻX;ҪˮI(y)ˮעˮѭh(hun)sˮˮˮ͏UˮӡȾUˮ켈UˮFSUˮί
켈ʩzǝ{Ư׳儩V(yng)Ƹt(y)ˎyƷTI(lng)