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当前学科:工厂供电考试
题目:
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熔断器与导线各电缆配合保护时,在短路条件下其熔体的额定电流应()。
A . 大于等于线路的正常负荷电流
B . 大于等于线路的最大负荷电流
C . 小于等于线路的最大允许电流
D . 小于等于线路的过负荷电流
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