backfilling怎么读，backfilling什么意思，backfilling短语和例句

1.The swatch values of friction factor of three kinds of precast buried heating pipe and backfilling sand is calculated.

通过对施工变量、运行变量的工程测量及计算得到三种规格的预制直埋供热管道与回填砂的摩擦系数样本值。

2.However, in large open pits, traditional methods such as planting, slope cutting and backfilling are not suitable for restoring the ecological environment.

对于在生产、规模较大的露天采场，不能采用削坡回填、覆土种植等简单的传统方法恢复矿山生态环境。

3.For the safety of mining underground, the tailings must be solidified before backfilling.

为了保证地下采矿的安全，尾砂须先固化后充填。

4.Taking tails which are consolidated with high water material as backfilling is a new type backfilling method.

高水固结尾砂充填采矿是一种新型充填采矿法。

5.Please clearly indicate the final clearance area and backfilling area for the foundation.

请明确基础的最终清理范围及回填范围。

6.However, in large open pits, traditional methods such as planting, slope cutting and backfilling are not suitable for restoring the ecological environment.

对于在生产、规模较大的露天采场，不能采用削坡回填、覆土种植等简单的传统方法恢复矿山生态环境。

7.Therefore, the upward drift stoping with backfilling is decided to use.

为此决定采用上向进路充填法进行回采。

8.The destruct height of overlying strata is linearly correlation with the compression rate of gangue backfilling.

覆岩破坏高度和矸石充填体压缩率成正线性相关。