backfill material

• 充填料

backfill material的用法和样例：

例句

1. Preparing high density backfill pulp totally with tailings is one of the challeges in backfilling technology.
   利用全尾砂制备高浓度的充填料浆是充填技术中的难点之一。
2. 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。