下列何者為常用之長軌焊接方法？(A)瓦斯電弧焊(B)閃電對頭焊(C)二氧化碳焊(D)熱劑式電弧焊

問題詳情

下列何者為常用之長軌焊接方法？
(A)瓦斯電弧焊
(B)閃電對頭焊
(C)二氧化碳焊
(D)熱劑式電弧焊

參考答案

答案：B
難度：非常簡單0.902881
統計：A(78),B(1097),C(5),D(35),E(0)

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