【填空题】
56. 每月每列动车组走行公里校正值应在___公里以内。
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【填空题】
89. CRH380B动车组主空压机工作使用电源为440V交流供电。当总风低于8.0±0.2bar时启动两个压缩机，低于___±___bar时只启动1个压缩机，高于10±0.2bar时两个压缩机都停止。
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