英文關鍵字
background
building
construction
container
energy
engineering
equipment
factory
flow
flowing
from
fuel
gas
heat
hot
industrial
industries
industry
instrument
iron
leak
line
machine
measurement
metal
meter
object
part
physical
pipe
pipeline
piping
power
powerful
pressure
release
steam
steel
structure
system
tank
tanker
technology
temperature
tool
tube
water
work