aƷB

gָ:
Ŀ
|
yԇ
|
Ŀ
|
yԇ
|
|
2.57g/cm3
|
ˮ
|
1.2
|
|
1.65g/cm3
|
Ӳ
|
7
|
|
0.02
|
SiO2
|
58-74
|
ĥp
|
0.75
|
Fe2O3
|
1
|
϶
|
46
|
Al2O3
|
23
|
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2ڶѭhˮ̎^V^Vˮ^pʧСL_Ч
3ڻW̎ďUˮ^Vؽȥ_90Ҹȥ_ȥ90%