You may think this is one thing Germany fails on, but you would be wrong.
您可能认为这是一件事德国失败的，但你将是错误的。
When one set goes wrong and stop, the other would be put into use automatically.
当工作的这一台发生故障自动停止工作时，备用的这一台自动投入工作。
When one set goes wrong and stop, the other would be put into use automatically.
当工作的这一台发生故障自动停止工作时，备用的这一台自动投入工作。
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