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地表沉陷
[矿业] subsidence
- 煤层的倾角、厚度等物理条件是地表沉陷的主要影响因素。
The inclination and thickness of coal strata are main influencing factors of ground subsidence. - 地下开采引起的岩层移动和地表沉陷是一个非常严重的地下工程问题。
The strata movement and the ground surface subsidence caused by underground mining are serious underground engineering problems. - 离层是上覆岩层移动的必然结果，在离层中充填可固结的注浆材料便可大大减缓地表沉陷。
The large cracks are inevitable outcome of the strata movement. The surface subsidence was greatly retarded by filling consolidation grouting material into the cracks.
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