英文關鍵字
background
building
business
caoutchouc
ceramic
chemical
clean
construction
control
controlling
distribution
empty
energy
engine
engineering
equipment
factory
indoor
industrial
industry
inside
interior
large
machine
machinery
manufacturing
metallurgy
modern
pack
people
petrochemical
pipe
plant
power
processing
production
pump
quality
space
storage
system
technology
tube
warehouse
water
work