홈 > Term: 露天掘り鉱山
露天掘り鉱山
An open cut in which the over burden is removed from a coal bed prior to the removal of coal.
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- Sandraruecker
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(V.I.P) 11418 포인트 - 100% positive feedback
An open cut in which the over burden is removed from a coal bed prior to the removal of coal.
(V.I.P) 11418 포인트