Concept information
Preferred term
Definition
- 浅表性开采,通过去除岩石覆盖以得到其中有价值的层:煤炭,非金属以这种方式工作的含金属(铁,铜)的矿物。同义:条带开采、露天开采、露天矿开采。
Broader concept
Belongs to group
Belongs to array
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aire zabaleko meategi
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