Cemented filling material是什么意思 Cemented filling material怎么读
Cemented filling material的相关资料
Cemented filling material的用法和样例
- The result showed that the backfilling material made with phosphogypsum and fly ash can completely meet the technical demand of industrial fifing.
其试验结果显示，用磷石膏和粉煤灰制作胶结充填料是完全满足现场工艺的要求。
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