火山沉陷地
volcano tectonic depression
Bekker地形沉陷模型
Bekker’s Soil-Deformation Model
采煤沉陷土地
Coal mining subsidence land
land for coal mining subsidence
subsidence land in coal mining area
地表沉陷
Surface subsidence
ground subsidence
Settlement of Ground Surface
Subsidence
ground settlement
Mining subsidence
deformation of the earth surface
surface settlement
ground surface subsidence
surface displacement
Land subsidence
地表沉陷规律
law of surface subsidence
地表沉陷控制
surface subsidence control
地表沉陷预测
surface subsidence prediction
地表沉陷纵剖面
longitudinal subsidence profile