成年美女黄网站18禁免费,久久久婷婷五月亚洲97色,女同性av片在线观看免费网站,成 人 网 站 免费 在线

`ۿhԪVa(chn)ƷӹS(chng)

۲

I(yng)ʯӢɰ,ʯ,ʯ

  • в羳
䁌(do)
“(lin)ϵ҂

+Ԕ(x)

ԃ(xn)
`ۿhԪVa(chn)ƷӹS(chng) > ԭo > ʯӢ ʯӢɰ

ʯӢ ʯӢɰ

  • ʯӢ ʯӢɰ
  • ӆ؛

    r(ji)񣨲

  • h

  • (yng)(bio)}ʯӢ ʯӢɰ

    r(ji)늃x

    l(f)˾`ۿhԪVa(chn)ƷӹS(chng)

    ؛320000

    “(lin)ϵˣ_

    l(f)؛c(din)ӱ ʯf `ۿh

    l(f)r(sh)g20111016

    Ч20120416

    ھ(xin)ԃ(xn)

    ھ(xin)ԃ(xn)P(pn)ھ(xin)ԃ(xn)P(pn)

    a(chn)ƷCϢ|(zh)

ܰѣՈ(qng)M(fi)Ì(du)(gu)HķߴʩƷҪM(jn)ƷCһ(bo)棨؛SC뾳zCA(y)C¹ڲzy(c)(bo)棩

鿴ͬ(li)a(chn)Ʒ

ܣһN(jin)ӲĥW(xu)ܷ(wn)Ĺ}VҪVɷSiO2

;VڲұzĥϵȹI(y)

ӢQuartz sand

P(gun)]ʯӢɰS(chng)ʯӢɰr(ji)ُ(gu)ʯӢɰʯӢɰVa(chn)ʯӢɰO(sh)

Ϣ

ʯӢɰ

ַQ(chng)ϴʯӢɰSiO2≥99—99.5% Fe2O3≤0.005%Ã(yu)|(zh)ȻʯӢɰ(jng)^(gu)x(x)ӹȷ1—0.5mm0.5—0.1mm0.1—0.01mm0.01—0.005mmɰÑ(h)Ҫӹ;첣ͻұFұۄմɣĥTʯӢɰȷ棬ڽк܏(qing)ĿԽ|(zh)gȡɰ{

ʯӢɰSiO2≥99—99.5% Fe2O3≤0.02—0.015%x(yu)|(zh)VʯM(jn)Џ(f)sӹɡȷ5—480ĿɰÑ(h)Ҫa(chn)^(gun)ɫY(ji)Ҫ;߼(j)Ʒͻ۟ʯ(li)Tɰ݆ĥĵȡmmף

`ۿhԪVa(chn)ƷӹS(chng)Ϣ

I(yng)ИI(y)ԭo//ʯӢɰ ԭo//ʯ ԭϡo//ʯ ˾ע(c)ַ ˴
T˔(sh)50-100 S(chng)e ?du)II(y)~200f(wn)Ԫ/-500f(wn)Ԫ/
M(jn)~10f(wn)Ԫ/-30f(wn)Ԫ/ ~50f(wn)Ԫ/-100f(wn)Ԫ/ ҪЈ(chng),ձ,ȫ,
͑(h)Ⱥ͏S(chng)ұoS(chng)ˮϡز
˾Q(chng):`ۿhԪVa(chn)ƷӹS(chng)
ע(c)Y: ˾W(wng)ַhttp://tykcp.glass.com.cn

“(lin)ϵˣ_
Ԓ(hu)86-0311-82617196
Ƅ(dng)Ԓ(hu)15830982832
棺86-0311-82617196
ַӱʡ`ۿhനI(y)^(q)
W(wng)ַhttp://tykcp.glass.com.cn

a(chn)Ʒԣ
Ӌ(j)λ ؛320000 Сӆ0 a(chn)Ʒ΃r(ji) Ʒƣ Ҏ(gu)̖(ho)ȫ̖(ho) bf(shu)ͨ

ʯӢ ʯӢɰ a(chn)Ʒśr

ʯӢɰʯӢʯ(jng)ӹɵʯӢwʯӢʯquartzrockQ(chng)ʯһN|(zh)؈(jin)ӲĥW(xu)|(zh)(wn)Ĺ}(li)VȻʯӢɰrʯӢr}ʯӢڡʯӢɰrǹ̽Y(ji)мrʯʯӢм_(d)95%ϣʯӢɰ(li)ԴڸNr{rer׃|(zh)r|(zh)V^VL(zhng)ʯĸVʯӢrֳe׃|(zh)ɷNǰмwczY(ji)Ľ޲@ָ׃|(zh)̶|(zh)ʯӢrVʯ}ʯӢɟҺγ׺ȫʯӢMɣ܉K(gu)ʯӢɰеVﺬ׃^ʯӢΞL(zhng)ʯĸrмصVVʯӢɰһN(jin)ӲĥW(xu)ܷ(wn)Ĺ}VҪVɷSiO2ʯӢɰɫɫo(w)ɫ͸Ӳ7Դo(w)ؐ֬ܶȞ2.65ѷeܶȣ1-20Ŀ1.620-200Ŀ1.5仯W(xu)W(xu)͙C(j)еܾ@Į΢KOHҺc(din)1750ʯӢɰҎ(gu)У0.5-1mm1-2mm2-4mm4-8mm8-16mm16-32mm10-20Ŀ20-40Ŀ40-80Ŀ100-120Ŀ
(yng)
  • ʯӢɰ99.8%ʯӢɰ99.8%

    ʯӢɰ ַQ(chng)ϴʯӢɰSiO2≥99—99.5% Fe2O3≤0.

    2011-10-16
  • ߼ʯӢɰ߼ʯӢɰ

    ʯӢɰеĪ(d)صW(xu)ʹںաӡC(j)е

    2011-10-16
  • (yng)ʯӢ ĸ(yng)ʯӢ ĸ

    ʯӢɰеĪ(d)صW(xu)ʹں졢C(j)е

    2011-10-16
  • (yng)ӱʯӢɰ(yng)ӱʯӢɰ

      ʯӢɰһN(jin)ӲĥW(xu)ܷ(wn)Ĺ}V

    2011-10-16

Ҫu(png)Փ

g⹥o(w)Œ(sh)(j)Ou(png)Z(y)(hu)Thu(png)Z(y)܌(du)кܸߵąr(ji)ֵ

P(gun)u(png)Փ

u(png)
0%
u(png)
0%
u(png)
0%

    P(gun)ڱW(wng)| ӛ|չ(hu)|c(din)|˲||վc(din)؈D|(dng)ƏV|[˽•|(qun)•|(yng)|“(lin)ϵ҂|English

    вW(wng) (qun) © 2001-2023 ]:Service@glass.com.cn ھ(xin)ͨ

    W(wng)W(wng).Ї(gu) վW(wng)j(lu)(sh)вW(wng)Ї(gu)(zhun)I(y)ИI(y)ϢW(wng)վ

    B2-20060159

    ٸvideosexfree| Ʒv߹ۿ| avרߵӰ| ؼëƬAëƬ߲WWW| ٸxxhd鶹xxhd| ޱXXXXͽ1| һ| Ůһ| һ| þùҹƷƬ| һý| ִҽ߳Ƶȫ| 777ɫӰ߿| ŷպһձ| va߹ۿ| JI̫̫ŷ| ŷٱaͼƬ| ˲˽| heyzoĻ| ɫۺɫۺϾþۺƵ88| ŮڵͽͳƵ| ߲ձV| ӰԺavɫ| ëƬݲݴͼ| ĻWWW߾Ʒ| һ߹ۿӰԺ| ձ츾ɫ츾Ƶ| 츾׾ƷƵ| 97ҹҹˬģ˺| ޴վ| þٸ| һ| 7777þĻ| ۱۹ƷƵ| պƷһ| һ͵Ů| ԰ƷƵ| þþþƷþպһۺ| ƵһŮ| www.se| Ƶ߹ۿ|