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Practice **questions on March 12, 2017; replies will earn 2–6 points (** no scoring after it is displayed, thank you for your replies)

2017-03-12View Original

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True or False: The operation of connecting the device for top reflux oil recovery should be carried out after the device starts up and oil is introduced. × Correct**: The operation of reducing the reflux oil at the unit’s connection is carried out before the unit starts receiving oil.

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