英文關鍵字
along
appliance
automatic
automation
center
communication
connected
control
device
electric
electrical
electricity
electronic
energy
engineering
equipment
factory
indoor
indoors
industrial
industry
job
lamp
metal
modern
networking
objects
panel
plant
power
premises
professional
protection
room
station
supply
system
technical
technology
uninterrupted
voltage
wiring
work