三种焊锡膏均可形成饱满、光亮的焊点，锡铅焊点外观比无铅焊点更规整圆滑。

All of the three solder pastes could form plump and splendid solder point, and the appearance of Sn-Pb solder point was more regular and sleek.

youdao

三种焊锡膏均可形成饱满、光亮的焊点，锡铅焊点外观比无铅焊点更规整圆滑。

All of the three solder pastes could form plump and splendid solder point, and the appearance of Sn-Pb solder point was more regular and sleek.

youdao