54. 銲接輔助符號應配合 (A)引線(B)基本符號(C)標示線(D)尾叉使用。

問題詳情

54. 銲接輔助符號應配合
(A)引線
(B)基本符號
(C)標示線
(D)尾叉使用。

參考答案

答案：B
難度：簡單0.787879
統計：A(3),B(26),C(1),D(2),E(0)

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