機器
big
box
business
cable
coil
component
copper
cross section
cut
detail
device
drive
electric
electrical
electricity
energy
engine
engineering
equipment
factory
gear
gearbox
generator
industrial
industry
inside
iron
machinery
manufacturing
material
mechanical
mechanism
metal
metallic
motor
object
part
plant
power
powerful
production
rotor
shaft
steel
synchronous
technology