compressor pressure ratio (CPR)

reduction ratio / gear ratio

Voltage Standing Wave Ratio (VSWR) / voltage standing-wave ratio

jam to signal ratio (J/S ratio)

high pressure compressor (HPC)

low pressure compressor (LPC)

base pressure ratio

engine pressure ratio (EPR)

pressure ratio

pressure ratio controller

reference pressure ratio

air compressor

compressor bleed-air system

rotary air compressor

turbo compressor

air compressor truck

alternative compressor

clutch compressor

compressor gun

valve spring compressor

abrasive wear of compressor blades

four-stage compressor

axial flow compressor

centrifugal compressor

centrifugal compressor impeller

combination compressor

compressor blade

compressor oil

compressor rear bearing

compressor rotor

compressor stage

compressor stator

double-entry compressor