题目
A.70%
B.74%
C.96.3%
D.99.6%e-0.3=合格率
第2题
A.错件(Wrong),漏件(missing),毀坏(Damage),假焊(Nonwetting)
B.错件(Wrong),漏件(missing),假焊(Nonwetting),极性元件错方向(WrongPolarity/Reversed)
C.错件(Wrong),漏件(missing),毀坏(Damage),元件极性方向错(WrongPolarity/Reversed)
D.错件(Wrong),假焊(Nonwetting),毀坏(Damage),极性元件错方向(WrongPolarity/Reversed)
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