機器
aggregate
balance
built
bunded
business
carving
chair
chemical
connecting
construction
drive
electric
electrocable
engineering
equipment
facility
field
fuel
gas
gate
hairpins
industry
installation
manometer
motor
nuts
oil
petroleum
pipe
pipeline
pipes
plunger
pollutant
pollution
power
pressure
pump
pumpjack
reducer
refinery
rock
rod
rosneft
supply
technology
throttle
valve
well