regional subsurface geological mapping
subsurface controlled subsurface safety valve
anomaly of subsurface fluid
Artificial enamel subsurface lesion
combined control of salinization and subsurface wa
combined control of salinization and subsurface waterlogging
combined controlling of surface and subsurface water logging
complex surface and subsurface geologic condition
comprehensive stress from surface and subsurface waterlogging
constant zone of subsurface temperature
constructed subsurface flow wetlands
continuous action from multiple process of surface and subsurface waterlogging
continuously suffering subsurface waterlogging
decline of subsurface flow
downgoing subsurface intrabed multiple
dynamic subsurface performance
electromagnetic subsurface probing
Equatorial Pacific subsurface
farmland vulnerable to surface and subsurface waterlogging
gas-activated rodless subsurface pump