l O
+
rh Ԫ
Vɰ
+Ԕ
VɰþxAȻVʯpVw늻ƵãԓaƷмȸYYԏԺõcһNĸߜ늚^ҲߙnVuV̼uͻϵҪԭϡ Vɰָ̖ͨMgO≥SiO2≤CaO≤Fe2O3≤Al2O3≤B.D≥g/cm³FM-9897.51.