dunn bass ; spoil ; gangue ; waste rock
风化层厚度随排矸年限的增加而加大。
The weathering layer thickness thickens with the increase of dumping years.
youdao
下部层位夹矸厚度变化较大。
The lower tonstein layer is changing in thickness.
介绍了掘进矸的危害，探讨了掘进矸的处理措施。
The harm of driving waste is introduced, and the dealing measures are approached.
采矿过程（开拓、掘进、剥离、回采）中，从井下或露天矿场开采出的或混入矿石中的岩石
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