【单选题】
JD-1A型微机联锁系统，只有在另一台联锁机处于 ___的情况下，才能人工倒机。
A. 停机状态
B. 主用状态
C. 热备状态
D. 同步校核状态
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答案
C
解析
暂无解析
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JD-1A计算机联锁系统中下面 ___做法是错误的。
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【单选题】
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