機器
function
accident
additional
ambulance
background
backup
backup generator
business
button
car
conservation
construction
diesel
electric
electricity
emergency
energy
engine
equipment
fuel
generation
generator
home
house
industrial
industry
machinery
mobile
motor
office
outdoor
petrol
portable
portable generator
power
power generation
safety
sale
service
source
standby
switch
tank
technology
tool
transformer
voltage
water
wire
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