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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.
Keywords:
machinery
fuel and power generation
factory
steel
industry
equipment
pipeline
technology
oil industry
engineer
working
oil
natural gas
metal
refinery
engineering
gasoline
oil production
production process
production function
valve control oil
production operator
oil flow
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