76. 通常用於賤金屬合金(base metal alloy)銲接時的熔媒是？
(A)氟化合物(fluoride compound)
(B)硼酸或硼酸化合物(boric or borate compound)
(C)碳酸或碳酸化合物(carbolic or carbonate compound)
(D)磷酸或磷酸化合物(phosphoric or phosphate compound)

1. 題目解析這道題目主要考察熔媒在賤...