blue
close
construction
control
controller
damage
detail
device
dirty
energy
engineering
fuel
gas
generation
ground
hand
handle
industrial
industry
iron
line
manual
metallic
object
oil
old
open
operation
pipeline
power
process
production
pump
raw
repair
replace
rig
rust
safe
station
steel
stress
supply
system
transfer
transportation
valve
valves
water
wheel
定額
Valves manual in the production process. Production process used manual valve to control the system, Operator open and close or function the valve for controlled pressure or gas and oil flow rate.の素材 [FY310150287322]
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