英文關鍵字
alternator
auto
automobile
automotive
background
black
bolts
car
check
closeup
coil
connection
copper
device
driving
electric
electricity
energy
engine
equipment
factory
gear
generator
hand
hardware
industrial
instrument
machine
machinery
mechanic
metal
motor
nuts
power
repair
repairshop
rotator
rotor
rows
shelving
spares
stator
technical
technology
tool
turbine
warehouse
winding
wire
workshop