【单选题】
电气设备发生故障被迫紧急停止运行，需短时间内恢复的抢修和排除故障的工作，应___。
A. 使用一种工作票
B. 使用二种工作票
C. 执行口头或电话命令
D. 使用事故应急抢修单
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答案
D
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