灰岩;
;The possibility of utilizing low calciferous rock and blende tails in the cement industry has been studied.
研究利用低钙
锌尾矿代替粘土煅烧高质量
水泥熟料。
The possibility of utilizing low calciferous rock and blende tails in the cement industry has been studied.
研究利用低钙锌尾矿代替粘土煅烧高质量水泥熟料。
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