問題詳情
18.逆功率繼電器保護的對象為：
(A)電動機
(B)負載
(C)接岸電
(D)發電機組
(A)電動機
(B)負載
(C)接岸電
(D)發電機組
參考答案
答案：D
難度：簡單0.828571
統計：A(3),B(0),C(3),D(29),E(0)
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