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  • в羳
ȫб
  • ðʯɰ ðʯ
    ðʯɰ ð

    ? ? ʯʯ۽(jng)Ȼxʯĥּƶ c(din)W(xu)|(zh)^,ڿ՚Пo(w)׃,׺ˮ,wY,s|(zh),⻬,Ⱦ,ӹˇܺ,DOPֵ͵ȃ(yu)c(din) ;V켈ИI(y)еďͺϲNϹܲͲƷϼ늾(xin)|zИI(y)݆̥zƷͿИI(y)еԵͿߙn܇(ch)ͿĩͿˮͿϵƷе

    2016-08-20 h/
  • ˮ̎ʯӢɰӱʯӢɰ
    ˮ̎ʯӢɰӱʯ

    ʯӢɰһNӲĥW(xu)ܷĹ}VҪVɷSiO2 ʯӢɰɫɫo(w)ɫ͸Ӳ7Դo(w)ؐ֬ܶȞ2. 65΢KOHҺc(din)1750;TTײմҏS(chng)N̖TʯӢɰͨʯӢɰ뾫ʯӢɰʯӢɰ߼ʯӢɰϵ? Ҏ4-6Ŀ6-10Ŀ10-2

    2016-07-07 h/
  • ͿϲӱۏS(chng)
    Ϳϲӱ

    ? ? ? ۞ɫĩa(chn)ʹԭϻڸߜM(jn)й෴γɟo(w)YIJ|(zh)wW(xu)|(zh)hh^(gu)Uͨ^(gu)ĥۙCӹIJͿI(lng)ͻ˻ʯĸȷwԵƿi ? ? ۼӹCеĥۙC߉ĥۙCĥۙCᘌۼӹĕr(sh)߀ҪһЩע ? ? f(shu)@Щ߀ҪͿϑжЩ(yu)c(din)ҪȻ

    2016-07-07 h/
  • h(hun)ƺùϽɰ
    h(hun)ƺùϽɰ

    ? ? m÷ ? ɰĥ͛_Ҝpٻ҉mĻ磺}a^S(chng)ͣ܇(ch)(chng)S܇(ch)g܇(ch)؛}ʽ̈(chng)a^Ҫyһɫ߹lh(hun)^(gun)ͬr(sh)](mi)иg|(zh)ĵط ء ĥ͛_ԶO˻ܶʹpm˵ķγһ(g)ܶ坍B͸ĵcһʩʩڶ;Ժp

    2016-07-07 h/
  • ߵͿϲĥ
    ߵͿϲĥ

    ? ? ĩCo(w)Ӳ|(zh)wa(chn)ʹԭϞPbOSiO2TiO2ӼԭϻٸߜM(jn)й෴γɟo(w)YIJ|(zh)wW(xu)|(zh)hh^(gu)UڻW(xu)Mɱ_аͨ Tۺϳγ磺 PbO  SiO2 ȱʾՈע^e. ָˣ ^(gun)ɫĩ ȣ93 ƽ2.50.5um أ2.7g/ml

    2016-07-01 h/
  • ͸ɰӱɰ
    ͸ɰӱɰ

    ? ? ? ɰ͠:ɰɰ֞ɫɰ͸ɰ͸ɰ^(gun)ɰɰڲb粣ƿֵɰͨ^(gu)۽Yһγɰ͹w ? ? ȾɫɰҲbˇg(sh)I(lng)

    2016-06-16 h/
  • ĥɰ
    ĥɰ

    mÈ(chng)mڹS(chng)W(xu)УƵtԺkסլС^̈(chng)BȸNcͣ܇(ch)(chng)ƺԼͣ܇(ch)(chng)µ·еӾވ(chng)܇(ch)ʳƷS(chng)͵ͣ܇(ch)(chng)ȵc(din)ͣ܇(ch)(chng)(zhun)íh(hun)(sh)֬(Epoxy)ɰ{ƺwo(w)pmĥΌA坍B^(gun)ɫʩ(jin)ɱ(jng)һʩ_mĥˮȶNʩȿxһ

    2016-05-16 h/
  • ӱɰ
    ӱɰ

    ???????? ͿҪa(chn)ߙnҾߕr(sh)ˮҲVbõhӱ5%-10%???? ۵c(din) 1͸ȺӲȸֲ 2۷ɢԺc(sh)֬wϵеɷԼ3۽(jng)α̎wϵĤ{ͿԺ4ڸߙn͹΂ӲgĤĿ΂

    2016-05-16 h/
  • ɰۏS(chng)
    ɰۏS(chng)

    ?????? ҏS(chng)a(chn)Ϳòͨ3000Ŀ5000Ŀ{׼ԼNҎIJɰȵ ???? һN״ĥ͸СɢԺ͸ȸЧ^(jng)^(gu)αM(jn)õH^λܷطɢͿĤͿSM(mn)Ƴɵˮ͸(li)ȱ͸ṩõĴĥҪ

    2016-05-07 h/
5/6 ӛ䛔:46  (y) һ(y) 1 2 3 4 5 6 һ(y) ĩ(y)
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