電気代イメージ
Schlüsselwörter
outlet,
electricity,
plug,
power,
white background,
energy,
brownout,
eco,
power source,
house,
indoor,
indoor,
wall,
home,
house,
room,
condo,
copy space,
electrification,
current,
voltage,
design,
wiring,
design,
station,
switch,
saving,
appliance,
appliance,
chord,
calculating machine,
power generation,
calculation
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