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    Ŀǰ(ni)ЈʹҎ(gu)У0.5-1.0mm0.6-1.2mm 0.8-1.6mm 1.0-2.0mm 2.0-4.0mm 4.0-8.0mm8.0-16mm 16-32m2-4mmҎ(gu)y(tng)QʯӢɰ|ӞV[ʯ|ӞVϵȡͨʯӢɰͨʯӢɰSiO29099Fe2O30.060.02ͻ1750^ִwSƤҡȷ5220ĿɰÑ

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    αeRʯӢɰ|(zh)

    ʯӢɰЩ;ƺɰPwã1020Ŀ20--40Ŀ,40--70ĿT≦ɰ{ճY(ji)ɰ{4070ĿĨɰ{50100Ŀ40--70Ŀ50--100Ŀ??70--140Ŀ180ĿϡʯӢɰ۵?ʯӢɰVϣ0.5-1.2mm12mm24mm48mm816mm1632mm;ϴʯӢɰ.ϴʯӢɰV.ʯ

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    a(chn)ƷQʯӢɰa(chn)ƷҎ(gu)20-40Ŀ40-70Ŀ50-100Ŀ70-140Ŀԭa(chn)أR/ɽ|ҪfʯӢɰһN(jin)ӲĥW(xu)ܷ(wn)Ĺ}VҪVɷSiO2ʯӢɰɫɫoɫ͸Ӳ7Դoؐڣ֬ܶȞ2.65仯W(xu)W(xu)͙C(j)еܾ@Įԣ΢KOHҺc(din)1750ɫɫSɫɫ

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    S^(q)ռe40஀,ĿǰͶY˰fԪF(xin)ͨʯӢɰ;ʯӢɰla(chn)ˮϴO(sh)һlþ a(chn)_(d)ʮfM(jn)a(chn)O(sh)͹ˇļg(sh)a(chn)Ʒ|(zh)z(yn)ֶa(chn)ʯӢɰ(xing)g(sh)ָ(bio)(jng)zyȫM㲢_(d)ИI(y)|(zh)ҪÑҪI(y)a(chn)ʯӢɰͨʯӢɰʯӢ΢ۡTɰʯۺ̼}Ȯa(chn)Ʒ˾a(chn)ƷҎ(gu)RȫƷ|(zh)(wn)(xing)ָ(bio)_(d)һ

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    S^(q)ռe40஀,ĿǰͶY˰fԪF(xin)ͨʯӢɰ;ʯӢɰla(chn)ˮϴO(sh)һlþ a(chn)_(d)ʮfM(jn)a(chn)O(sh)͹ˇļg(sh)a(chn)Ʒ|(zh)z(yn)ֶa(chn)ʯӢɰ(xing)g(sh)ָ(bio)(jng)zyȫM㲢_(d)ИI(y)|(zh)ҪÑҪI(y)a(chn)ʯӢɰͨʯӢɰʯӢ΢ۡTɰʯۺ̼}Ȯa(chn)Ʒ˾a(chn)ƷҎ(gu)RȫƷ|(zh)(wn)(xing)ָ(bio)_(d)һ

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    S^(q)ռe40஀,ĿǰͶY˰fԪF(xin)ͨʯӢɰ;ʯӢɰla(chn)ˮϴO(sh)һlþ a(chn)_(d)ʮfM(jn)a(chn)O(sh)͹ˇļg(sh)a(chn)Ʒ|(zh)z(yn)ֶƣa(chn)ʯӢɰ(xing)g(sh)ָ(bio)(jng)zyȫM㲢_(d)ИI(y)|(zh)ҪÑҪI(y)a(chn)ʯӢɰͨʯӢɰʯӢ΢Tɰʯۺ̼}Ȯa(chn)Ʒ˾a(chn)ƷҎ(gu)RȫƷ|(zh)(wn)(xing)ָ(bio)_(d)һ

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    ɽ|ʯ40-80ĿɰԴ

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