electrolytic previous treatment
ground previous high altitude installation
history of previous cesarean section
influence from previous layer
longitudinal previous movement
Normal tillage in previous crop
No-tillage in previous crop
old and previous design codes
on year-on-year basis;over the same period of the previous year
Osteonecrosis due to previous trauma
over the same period of the previous year
previous annual forecast
previous cesarean section
previous circulation situation