紡錘
alternator
asynchronous
axis
axle
background
closeup
concept
device
drive
electric
electricity
engine
equipment
factory
gear
gearbox
generation
generator
group
induction
industrial
industry
isolated
large
machinery
manufacturing
mechanical
mechanism
metal
motor
object
plant
power
powerful
reducer
reduction
render
rotor
set
starter
station
symbol
technology
traction
transmission
transportation
turbine
white
wind