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2aê?êy?Y
?????áo?á?(Al2O3)%
92
??????o?á?(Na2O)%
?ü1.0
?2ì??ü??èYá?(RH=60)%
?Y16.8
?ü???ê ??????%
?Y50
?×èY?y??????g/cm3
?Y0.38
±è±í???y????g/cm3
?Y300
???è
?Y80
èY?? ??????g/cm3
0.7-0.8
???e?ê??????%
?ü0.6
ía1?
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