thre - tram
- three ammeter method
- three cavity klystron
- three channel controller
- three circuit transformer
- three color kinescope
- three core cable
- three diffusion integrated circuit
- three dimensional image
- three dimensional integrated circuit
- three dimensional profiling of optical fiber
- three dimensional wiring
- three electrod tube
- three element antenna
- three gun color picture tube
- three input adder
- three leg core
- three leg transformer
- three level laser
- three mode laser
- three phase
- three phase asynchronous motor
- three phase circuit
- three phase commutator machine
- three phase current
- three phase electric railway
- three phase fault
- three phase four wire system
- three phase generator
- three phase induction type watthour meter
- three phase line
- three phase machine
- three phase motor
- three phase network
- three phase power
- three phase power factor meter
- three phase rectifier
- three phase series motor
- three phase short circuit
- three phase short circuit characteristic
- three phase shunt motor
