機器
air compressor
boiler
equipment
fitting
fuel
gas
gauge
heating
heavy
high
industrial
industry
liquefied
liquid
lng
lpg
manometer
manufacturing
measure
measurement
metal
meter
natural
oil
petrochemical
petroleum
pipe
pipeline
plant
power
pressure
process
production
propane
pump
refinery
reservoir
station
steam
steel
storage
tank
technology
tool
tube
tubing
valve
water
work