Heat up your soldering iron and tin it by allowing it to melt a drop of solder onto its tip.

加热你的电烙铁，通过允许其热量融化的一滴锡滴在它的尖端来锡化它。

youdao

Heat up your soldering iron and tin it by allowing it to melt a drop of solder onto its tip.

加热你的电烙铁，通过允许其热量融化的一滴锡滴在它的尖端来锡化它。

youdao