Aluminum is made from bauxite.

是从中提炼出的。

Addition of partial nephelite during bauxite sintering could not only make up consumption of soda, but also attain purpose for treating nephelite.

在烧结过程中添加部分霞石,以补充碱的消耗,同时达到处理霞石的目的。

CA Cement Clinker is a manufactured commodity which raw materials are high quality limestone and bauxite.The raw materials should be mixed according to suitable ratio to pelletize.

酸钙熟料是以优质的钙质、质原材料按适当的比例，成型后烧结至部分熔融而制成。