短语词组短语Solder r bump 球状的焊锡材料粘合在无源或有源元件的接触区solder -bump 焊点Eutectic Solder Bump 共晶接合stencil printing solder bump 印刷凸焊点Solder Bump on Copper Stud 铜接线柱焊凸 返回 solder bump