英文關鍵字
accuracy
automated
business
button
circuit
closeup
commercial
computerised
console
control
device
dial
distribution
electrical
electrician
engine
engineering
equipment
factory
focus
foreground
green
heavy
horizontal
indoors
industrial
industry
instrument
interior
jaw
keyboard
lead
line
machine
machinery
manufacture
manufacturing
modern
nobody
panel
robot
russia
safety
screen
switch
switchgear
technical
technology
warehouse
workshop