Take the powder of tin, silver and copper solder as the basis to make solder paste and simulate soldering.

以自制的锡银铜系焊粉为基础制备焊膏并做焊接模拟。

youdao

Take the powder of tin, silver and copper solder as the basis to make solder paste and simulate soldering.

以自制的锡银铜系焊粉为基础制备焊膏并做焊接模拟。

youdao