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1. The solder wire used for the soldering of the manual electronic device is composed of a tin alloy and an auxiliary agent.
2. In the electronic soldering, the solder wire is matched with the soldering iron, and the high-quality soldering iron provides stable and continuous heat of fusion, and the solder wire serves as a filler.
3. The metal is added to the surface and the gap of the electronic original device, and the fixed electronic original device becomes the main component of the solder.
4. The composition of the solder wire is inseparable from the quality of the solder wire, which will affect the chemical properties, mechanical properties and physical properties of the solder wire.
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