... 珠状凝结的助聚剂：promoters for dropwies condensation 珠状电极：bead electrode 珠形热敏电阻[器]：bead thermister ...
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All these and other developments show that welding is no longer what it was in time past, the simple matter of running a bead with a gas flame or a stick electrode.
所有这些和其他的新技术都显示焊接不再是过去那样，只用气体火焰或一根焊条焊一道焊缝的简单问题了。
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