- constant pressure control method
- constant pressure expansion valve
- constant pressure filtration of mineral processing products
- constant pressure gas thermometer
- constant pressure grinding
- constant pressure in water system
- constant pressure MD
- constant pressure operation
- constant pressure pump
- constant pressure sprinkler irrigation
- constant pressure turbocharging system
- constant pressure variable displacement pump
- constant price
- constant prime
- constant probability
- constant problem
- constant progression
- constant propagation
- constant quantity
- constant random variable
- constant rank
- constant-rank mapping
- constant-rank morphism
- constant-ratio head
- constant region