The cleaning of the inking and printing units of a press prior to a change of ink or shut-down of the machine.

在转换油墨颜色或下班停机前，把滚墨系统和压印系统清洗的情况。

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The cleaning of the inking and printing units of a press prior to a change of ink or shut-down of the machine.

在转换油墨颜色或下班停机前，把滚墨系统和压印系统清洗的情况。

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