universal surface gauge
Permanently installed surface-recording gauge
Response of a sub-surface neutron moisture gauge
retrievable surface-recording gauge
surface inspection gauge
surface moisture-density gauge
surface mounted (pressure) gauge
surface roughness measuring gauge
surface-recording gauge
surface-surface contact
surface-surface conventional missile
Surface-surface intersection
conventional surface to surface missile
DEM on the surface of ellipsoid surface
Difference Between Surface Temperature and Surface Air Temperature
general purpose surface-to-surface missile (GPSSM)