地面沉陷
ground subsidence
Surface subsidence
Land subsidence
surface ground subsidence
ground subsidence and land collapse
land-surface subsidence
Subsidence
ground-subsidence
地面沉陷裂缝
fracture with ground submergence
黑河地区地面实验
hei-he river basin field experiment
开采地面沉陷
mining induced surface subsidence
2009年萨摩亚群岛地区地震
2009 Samoa Islands region earthquake
安徽省六安地区地震局
anhui province
Seismological Bureau of Liu’an Prefecture
采空区地面塌陷
picks depletion region fall of ground
抽水地面沉降
land subsidence caused by pumping
单位地面面积散热量
heat release per unit floor area