(electric) platform truck
(pressure)gauge with electric contact
10 kV electric power equipment
100t Electric Arc Furnace
10kV Electric Power System
20 Hz Electric Source Signal
25 MVA electric furnace
35kV electric furnace transformer
3-D electric field analysis
3D electric field calculat ion
3-phase Capacitor Electric Machine
3S space electric information technology
4WD hybrid electric vehicle
4WD hybrid electric vehicles
4-wheel drive electric vehicle
50 Hz pulsed electric field
500 kV electric power grid