Apply the operator, from one side of the list to the other, beginning with the left for foldl or right for foldr.

从列表的一侧到另一侧应用操作符，对于foldl是从左侧开始，对于foldr是从右侧开始。

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8 min An operator notices that the valves for the backup pumps in the secondary loop are off. He opens the valves. The secondary side now operating normally.

8分钟一个操作员注意到二次回路备用水泵的阀门是关的，于是打开了阀门。二次回路现在运作正常。

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For the example scenario, you will extend this application by placing an operator between the last two operators on the right side of the graph.

对于示例场景，您将通过在图表右侧的最后两个算子之间放置一个算子来扩展此应用程序。

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The equipment you see along that wall is actually the operator side of significantly larger machines mainly situated on the cleaner environment.

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As for the restaurant operator side, these infrastructures already exist.

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The company has long argued it is not the "liable operator" on the French side of the channel and so any attempt to impose the fines would have been "flung out of court".

BBC: Eurotunnel stowaway fines lifted