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41. 如下圖所示之符號為 (A)電磁開關 a 接點 (B)電磁開關 b 接點 (C)按鈕開關 a接點 (D)按鈕開關 b 接點 。
問題詳情
41. 如下圖所示之符號為
(A)電磁開關 a 接點
(B)電磁開關 b 接點
(C)按鈕開關 a接點
(D)按鈕開關 b 接點 。
參考答案
答案:B
難度:
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