underground mined-out area
英
美
- 地下采空区
双语例句
- The land subsidence caused by abandoned underground mines has been a kind of typical geological disaster and influenced troublefree operation of engineering construction severely.
由废弃的地下采空区引起的地面沉陷,已成为一种典型的地质灾害,严重影响工程建设的顺利进行。
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