44.一般來說,銲料金屬(filler metal, solder)之流動溫度(flow temperature)應比受銲金屬
(substrate metal)之固態溫度(solidus temperature)低幾度?
(A)38℃
(B)56℃
(C)76℃
(D)98℃
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統計: A(88), B(744), C(155), D(44), E(0) #1041102
統計: A(88), B(744), C(155), D(44), E(0) #1041102