在一般地区,暂不能利用储量中的非炼焦用煤,在煤层倾角为25~45度之间时的最低可采厚

题型:单项选择题

问题:

在一般地区,暂不能利用储量中的非炼焦用煤,在煤层倾角为25~45度之间时的最低可采厚度为()。

A.0.7米

B.0.8米

C.0.5米

D.0.6米

考点:储量管理工储量管理工题库
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