large area welded 大面积焊接
For the bar and wire endless rolling process, the welded area is required to have similar properties as the base metal.
棒线材的无头轧制工艺，要求焊接部位与基体具有同样的性能。
Two pairs of alloys in the welded area were fused and mixed, the metal element percentage was determined by the amount of alloy of each part.
焊区内两种配对合金的金属元素相互混熔，金属元素含量值受所在部位的合金成分决定。
It shows in experiments that the contact area between the wire and the pad has possesses long elliptical shape, and the welded area was periphery of the contact area.
实验显示，金线和焊接平台的接触界面为长椭圆形状，其中焊接部位发生在接触界面的周边。
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