( )主要用於大型工件如鐵軌、機軸的熔接方式為　(A) 發熱焊　(B) 氣體焊　(C) 電弧焊　(D) 摩擦焊。

問題詳情

( )91.主要用於大型工件如鐵軌、機軸的熔接方式為　
(A) 發熱焊　
(B) 氣體焊　
(C) 電弧焊　
(D) 摩擦焊。

參考答案

答案：A
難度：簡單0.775862
統計：A(90),B(2),C(20),D(4),E(0)

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