1. 電氣儀表上表示交直流兩用之符號為。

問題詳情

1. 電氣儀表上表示交直流兩用之符號為

。

參考答案

答案：D
難度：非常簡單0.95
統計：A(1),B(1),C(0),D(38),E(0)

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