覆岩破坏高度和矸石充填体压缩率成正线性相关。

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

youdao

覆岩破坏高度和矸石充填体压缩率成正线性相关。

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

youdao