英文關鍵字
absorbing
appliance
bolt
brewery
capacity
chemical
clean
construction
device
environment
equipment
facility
factory
faucet
filter
industrial
industry
interior
liquid
manufacture
many
metal
mill
part
pipe
pipeline
plant
pollution
process
production
pump
purification
recycling
section
sensor
set
sewage
sewerage
shop
station
storage
system
tank
tap
technical
technology
treatment
tube
waste
water