問題詳情
30. 電子作業時一般使用的 60/40 成份的銲錫(60%錫、40%鉛)，其由固態轉變為液態的溫度，約為攝氏多少度？
(A) 163
(B) 183
(C)203
(D) 223
(A) 163
(B) 183
(C)203
(D) 223
參考答案
無參考答案
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