機器
assembly
balance
built
bunded
burner
carbon
carving
chair
chimney
connector
construction
counterbalance
diesel
drive
electric
electrocable
environment
equipment
faucet
flammable
flange
fuel
gas
gate
gearbox
main
metal
motor
nuts
oil
old
petrochemical
pipe
pipeline
pipework
plant
pollutant
power
pressure
pump
reducer
sand
steel
supply
technology
throttle
tightness
valve
weight