[
] 钎焊; 软钎焊
[医] 焊接

soldering
[ noun ]
fastening firmly together
<noun.act> 
Solder \Sol"der\, v. t. [imp. & p. p. {Soldered}; p. pr. & vb.
n. {Soldering}.] [Formerlysoder. See {Solder}, n.]
1. To unite (metallic surfaces or edges) by the intervention
of a more fusible metal or metallic alloy applied when
melted; to join by means of metallic cement.
2. To mend; to patch up. ``To solder up a broken cause.''
--Hooker.
Soldering \Sol"der*ing\,
a. & n. from {Solder}, v. t.
{Soldering iron}, {Soldering tool}, an instrument for
soldering, consisting of a bit or bolt of copper having a
pointed or wedge-shaped end, and furnished with a handle.