;
积
;The possibility of utilizing low calciferous rock and blende tails in the cement industry has been studied.
研究利用低钙石和闪锌尾矿代替粘土煅烧高
水泥熟料。
The possibility of utilizing low calciferous rock and blende tails in the cement industry has been studied.
研究利用低钙石和闪锌尾矿代替粘土煅烧高水泥熟料。
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