(dng)ǰλã(y) > Vϵ
FV^(gu)V
>a(chn)ƷB
    FVVӞVϞVصı؂Ŀǰ҂a(chn)ĴFVVɺF40-42%ĴFVоxɵġ^(gu)Vٶȿ(qing)ʹL(zhng)c(din)ҹ˾a(chn)ĴFVV^C(j)е(qing)ȸжк|(zh)4.5g/cm3,2.95g/cm3ӢʽӲ5.5-5.6FVVmڹʽˮϵy(tng) ӞVͨco(w)úVϡʯӢɰVĿǰ^õϳ(du)M(jn)VӺˮϵy(tng)õm(yng)ܣǶӞVرزٵĞVОV_(d)30-40/r(sh)ă(yu)(sh)ԴFVVһNҪĞVϮa(chn)Ʒ

>a(chn)Ʒ;
    FVVmڹʽˮϵy(tng)ͨco(w)úVϺʯӢɰVʹãҪ(du)M(jn)ЌӺˮϵy(tng)õm(qing)ȸVٿ_ϴr(sh)׻ӡ(du)FiЧҲ@Vڽoˮұʯh(hun)p켈ƸI(lng)(du)ˮ߼ˮI(y)ˮ̎|(zh)L(zhng)ˮO(sh)˘O

>a(chn)Ʒc(din)
    1^(gu)Vٶȿ
    2(qing)
    3ʹL(zhng)
    4C(j)е(qing)ȸߣжк|(zh)

    >FVV|(zh)


>FVVϻW(xu)|(zh)

>a(chn)Ʒb
    ΌӾb50kg/

>ӆ؛֪
    ӆ؛r(sh)Ո(qng)f(shu)FVVϵҎ(gu)(sh)؛c(din)

  
]a(chn)Ʒ
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