Can it be used in underground mining?
是否能够用于地下采矿作业？
Accidents during underground mining of coal are nothing new.
煤矿地下开采事故屡见不鲜。
The underground mining is a problem of "large-scale system".
矿床的地下开采是一个“大系统”问题。
The underground mining resources in Changling County are quite rich.
长岭地下矿产资源丰富。
Underground Mining lead to rock deformation and ground movement.
地下开采导致岩层变形与地表移动。
These men work underground, mining for coal.
这些人在地下采煤。
These men work underground, mining for coal.
这些人在地下采煤。
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