“共晶”是指一种元素或者化合物的组合，它可以在比任一成分单独时的凝固点更低的温度下保持液态。
"Eutectic" refers to a mix of elements or compound that remains liquid at lower temperature than either of its components does alone.
共晶钎料BGA球焊点的抗剪强度比锡铅合金钎料自身的抗剪强度大。
The shear strength of BGA joint with eutectic solder is higher than that of tin-lead alloy itself.
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