Soldera索尔代拉soldern.焊接剂；接合物v.焊接solderpoint voids焊点空洞solder ball shear植球焊球抗剪solderless wiring无焊接线,无焊布线soldering quality焊接质量solder resist Ink阻焊油墨Solder joint fault焊点缺陷solderability test焊接性试验soldering terminal焊片solder joint shape焊点形态solder-type head易溶元件洒水喷头