選択的
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accumulator
alkaline
background
battery
charge
choice
closeup
component
concept
contact
cylinder
disposable
ecology
electric
electrical
electricity
electronic
energy
engineer
environment
equipment
focus
generation
group
industry
leader
macro
mana
metal
plus
pollution
positive
power
recharge
rechargeable
recycling
selective focus
single battery
singles
size
supply
technology
volts
waste