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S(chng)ַʡԭ·
ʯӢɰV
ʯӢɰV
l(f)r(sh)g2020-10-13 g[

     ʯӢɰVDzȻʯӢVʯ(jng)YxˮϴκYxɫs־СCеȸW(xu)ܷǃˮ̎^(gun)ӽʶǼɫйɵĽYwęCеȺͻW(xu)҂߀˃Vϵ¹ˇL(chng)Vʹ34(g)Ķcɰ^߀ǽ(jng)ʯӢɰVҪ;V߲Ʒͻ۟ʯ(li)Tɰ݆ĥĵ

      ʯӢɰVϳҎ0.5-1.0mm 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
ʯӢɰVϵļg(sh)Ҫ
1ʯӢɰVϵʺĥp֮Ͳ1.5%(ٷʰ|(zh)Ӌͬ)
2ʯӢɰVϵܶȲС2.55g/cm3ʹЌܶҪ󶼳
3ʯӢɰVϑҊ(jin)ĸЙCs|(zh)VϵˮҺж|(zh)3%ܶС2g/cm3p|(zh)ĺ0.05%
4ʯӢɰVϵƟp0.7%
5ʯӢɰVϵ}ʲ3.5%
ͨʯӢɰVϵ
1ڸNʯӢɰVСָIJ3%ָIJ2%
2ͨʯӢɰVϵЧʹÆλ_
ͨʯӢɰVϳҎ0.5-1.2mm 1-2mm 2-4mm 4-8mm 8-16mm 16-32mm
ͨʯӢɰVϰb棺pӻΌӾbÿ50
       ֮Դ˾a(chn)4-6Ŀ8-13Ŀ10-20Ŀ20-40Ŀ40-70Ŀ50-100Ŀ70-140Ŀ100-200ĿȸNҎʯӢɰV߀ɸ͑(h)wҪM(jn)ӹ®a(chn)_2000a(chn)Ʒϵ£≦ɰ{ʯӢɰʯӢɰTʯӢɰˮ̎ʯӢɰPʯӢɰ;(zhun)ʯӢɰʯӢɰʯӢɰT䓏ĤüʯӢɰwbʯӢɰߜʯӢɰw(chng)^(zhun)ʯӢɰh(hun)ƺʯӢɰa(chn)Ʒ|(zh)ϸ(li)ʯӢɰ;Ę˜
ʯӢɰVܷ
Ŀ
SiO2
98.6%
ĥp
0.03%
0.05%
϶
43%
ĪӲ
7.50%
}
0.02%
ܶ
2.66g/cm3
1.80g/cm3
>98%
ϵ
1.60k80
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