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ʯӢɰ

rg2013-06-28 15:51 ԴѰˮ c224

    ʯӢɰVһN|ˮ̎VȫdʯӢɰVϲÃ|ʯӢVʯԭ^YӹʯӢɰVcoúVϽYʹЧ 
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ĥp % 0.03 % ≥98
% ≤0.35 ϶ % 45
SiO2 % ≥98.8 g/cm3 1.75
ĪϏ 7.5 - - -

ʯӢɰVϳҎ0.5-1.2mm 1-2mm 2-4mm 4-8mm 8-16mm 16-32mm

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