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单词 cycling
释义 cycling
[`sīk·liŋ]
CHEMICAL ENGINEERING
A series of operations in petroleum refining or natural-gas processing in which the steps are repeated periodically in the same sequence.
CONTROL SYSTEMS
A periodic change of the controlled variable from one value to another in an automatic control system.
PETROLEUM ENGINEERING
An operation in which gas flowing from a gas reservoir is passed through a processing plant or separation system, with the gas remaining being returned to the reservoir. Also known as oscillation.
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