12. 屋內配線設計圖之符號為(A)線管下行(B)線管上行(C)電路至配電箱(D)出線口。

問題詳情

12. 屋內配線設計圖之符號

為
(A)線管下行
(B)線管上行
(C)電路至配電箱
(D)出線口。

參考答案

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