When soldering ceramic radiating fins on electronic component such as powerful transistors for radio station, the silver film on the fins would be melted together with the tin solder and broken down.
英
美
释义
电台用的电子部件如大功率晶体管等与陶瓷散热片焊接时,锡与银会共熔,银层从散热片上脱落。
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