Xұἃˇc(din)
ߣͬdf g[ l(f)r(sh)g18-05-29
Xұἃˇc(din)
XԪXX\ԭϽ(jng)^W(xu)̎ȥF⁵ȵƵõĮa(chn)ǼȺܸߵXԭAl₂O₃һ99%V40%76%Ħ- Al₂O₃24%60%Ħ- Al₂O₃M- Al₂O₃9501200D(zhun)׃?yu)? Al₂O₃ͬr(sh)l(f)@weտs
1XұҪԭǹI(y)Xc(din)SI(y)X߶һ1700~1900a(chn)Ʒc(din)2050ұ^вHҪʹ?fn)tۻ늠tҺĜضȱ횱2050
2ұ^tϴ·֞όDZgǟY(ji)²ڌ(g)όֲǽȻ_@Ҳұ^бgȡc{(dio)tϵԭ
3Xұἃ^X늠t(ni)۟^^̶ǾֲM(jn)еġݔ͵t(ni)ܻϷ䵽ɂ(g)棺һǸߜ늻ҪÁۻtϣҺҪҺضʹW(xu)(yng)M(jn)С