ϽB |
a(chn)ƷxÉKiVȻɰԭ(jng)Yx^ֲʺɫõijFi iɰVܷ (xing)Ŀ MnO2 % Fe % SiO2 % g/cm3 ѱ% (sh)(j) 15-45% 20% 17-20% >3.2 2 |
(qun)(C)2011 KSh(hun)Ƽ˾ All Rights Reserved. ַdи(zhn)ͶYI(y)@ ]䣺lifeng0816@163.com Ԓ0510-87836825 ֙C(j)13806155355 W(wng)ַbh6y1.com.cn g(sh)֧֣_(d)W(wng)j(lu) ICPKICP12012043̖(ho)-1 |