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【单选题】
当线路两侧断路器因故障被断开以后，不管两侧电源是否同步就进行重合，合闸后由系统将两侧电源拉入同步，这种重合闸指的是：
A.
三相快速自动重合闸
B.
非同步自动重合闸
C.
自动重合闸
D.
自同步重合闸
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