The precise counting method of dilution in the actual mining process based on 3d database was studied.

研究基于矿山3d数据库实际采矿过程中损失贫化的精确计算方法。

youdao

The precise counting method of dilution in the actual mining process based on 3d database was studied.

研究基于矿山3d数据库实际采矿过程中损失贫化的精确计算方法。

youdao