英文關鍵字
chemical
factory
industrial
compressor
interior
plant
production
stainless
pump
pipe
pipeline
steel
equipment
manufacturing
tank
air
metal
empty
workshop
connected
cistern
enclosure
technology
connect
polyester
material
engineering
power
tube
chemistry
machine
pharmaceutical
business
container
construction
facility
pressure
system
distillation
huge
spacious
infrastructure
refinery
structure