sandfilling是什么意思

用法例句

Experimental Study on the Proportion of Tailings Backfilling Pulp;

尾砂充填料浆的配合比试验研究

New application of upward slicing and filling by tailing in Chuang-Shang Gold Mine;

上向分层尾砂充填法在仓上金矿的新应用

The accident had occurred unexpectedly that the tailings outpoured from the gab during the gob hydraulic fill in Dongguashan copper mine.

冬瓜山铜矿东山采空区全尾砂充填过程中,发生尾砂泄漏事故,经事故原因分析,查处尾砂泄漏点,采用高压旋喷注浆技术堵水,结果表明治理效果很好。

The sedimentation experiment with high-density tailings-sand filling material pulp, slump test and trial methods are introduced, the analysis and discussion for the result conducted.

文章详细介绍了高浓度尾砂充填料浆沉降试验、坍落度试验和输送试验的方法,并对试验结果进行了分析讨论,这对实现尾砂的高浓度输送具有重要意义。