黄色网址在线免费观看,黄色在线视频网址,欧洲三级网站,a毛片**费观看,亚洲欧美中文日韩综合,天天射天天干,欧洲激情网

и(li)ʯӢɰ؟ι˾

I(yng)TʯӢɰ,ʯӢɰ,VʯӢɰ,ʯӢɰ,20-40ĿʯӢɰ,30-50ĿʯӢɰ

  • в羳
вW(wng)

и(li)ʯӢɰ؟ι˾(jin)Q(chng)(li)ɡ2010λڏV΅^һн(jng)a(chn)N(xio)۲ʯӢɰďS(chng)
ʯӢɰָˣ
SiO298.5%, Fe2O3:0.08%~0.036% TiO2:0.05%
Cr2O3:0.001% Al2O3:= 0.50%( - 0.1) H2O5% 
0.71mm(24Ŀ) 0.5%
С0.60mm(28Ŀ)0.105 mm(150Ŀ)92%
С0.1mm(150Ŀ) 3%

Ʒ
    Ϣ
    “(lin)ϵ҂

    ԃ(xn)

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

    вW(wng) © 2001-2021 ]:Service@glass.com.cn ھ(xin)ͨ

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

    B2-20060159