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      ʯӢɰVϳҎ(gu)0.5-1.0mm 0.6-1.2mm 0.8-1.6mm 1.0-2.0mm 2.0-4.0mm 4.0-8.0mm 8.0-16mm 16-32mm
ʯӢɰVϵļgҪ
1ʯӢɰVϵʺĥp֮Ͳ1.5%(ٷʰ|Ӌͬ)
2ʯӢɰVϵܶȲС2.55g/cm3ʹЌܶҪ󶼳⡣
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4ʯӢɰVϵƟp0.7%
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ͨʯӢɰVϵ
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ͨʯӢɰVϳҎ(gu)0.5-1.2mm 1-2mm 2-4mm 4-8mm 8-16mm 16-32mm
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       ֮Դ˾a4-6Ŀ8-13Ŀ10-20Ŀ20-40Ŀ40-70Ŀ50-100Ŀ70-140Ŀ100-200ĿȸNҎ(gu)ʯӢɰVϡ߀ɸ͑wҪMӹ®a_2000¡aƷϵ£≦ɰ{ʯӢɰʯӢɰTʯӢɰˮ̎ʯӢɰPʯӢɰ;ʯӢɰʯӢɰʯӢɰT䓏ĤüʯӢɰwbʯӢɰߜʯӢɰw^ʯӢɰh(hun)ƺʯӢɰȡaƷ|ϸʯӢɰ;Ę˜ʡ
ʯӢɰVܷ
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SiO2
98.6%
ĥp
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0.05%
϶
43%
ĪӲ
7.50%
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2.66g/cm3
1.80g/cm3
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1.60k80
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