英文關鍵字
lithium
ion
liion
battery
power
energy
electric
car
technology
industry
electricity
charger
cell
charge
equipment
low
level
electrical
vehicle
full
green
accumulator
supply
system
auto
electronic
automobile
recharge
transportation
phone
service
mobile
engine
industrial
batteries
metal
maintenance
automotive
fuel
voltage
repair
mechanic
icon
motion
animation
hd
animated