soft soldering的用法和樣例：
例句
- Quite a bit of heat is needed, due to the thickness of the copper pipe, and an electrical soldering iron probably won't be able to deliver sufficent heat.
因為銅管有一定的百度，所以有可能錫焊的溫度不夠，它對溫度的要求是比較高的。 - Laser soldering technology has been found an important application in micro-electronic joining and packaging.
激光軟釺焊技術在微電子焊接和封裝方面具有重要的應用價值。
