問題詳情
118. 銲錫作業方式下列何者錯誤？
(A)先將錫熔於鉻鐵頭上再沾至被銲點
(B)被銲物表面應清潔
(C)鉻鐵溫度應適當
(D)銲錫以60% / 40% 錫鉛合金最適當。
(A)先將錫熔於鉻鐵頭上再沾至被銲點
(B)被銲物表面應清潔
(C)鉻鐵溫度應適當
(D)銲錫以60% / 40% 錫鉛合金最適當。
參考答案
答案：A
難度：非常困難0
統計：A(0),B(0),C(0),D(2),E(0)
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