問題詳情
1. 電動機之運轉狀況係屬一種間歇性的、週期性的，每次運轉時間在多少分鐘以內者，其分路之過電流保護裝置，可視為電動機之過載保護？
(A)20
(B)10
(C)30
(D)15。
(A)20
(B)10
(C)30
(D)15。
參考答案
無參考答案
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