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The secondary side now operating normally.
二次回路现在运作正常。
youdao
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Why do passengers have to get off the train when it's not operating normally?
为什么列车不能正常运行时要进行清客？
youdao
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Why do passengers have to get off the train when it's not operating normally?
为什么列车不能正常运行时要进行清客？
youdao