機器
air
background
business
close
compressed
compressor
connection
control
device
electric
energy
engine
engineering
equipment
factory
flow
fuel
gas
gauge
industrial
industry
instrument
line
machinery
manometer
measure
measurement
metal
meter
object
oil
part
pipe
pipeline
plant
pneumatic
power
pressure
pump
steel
supply
system
tank
technology
tool
transfer
tube
valve
work