“upset welding”的概念、定义、翻译、参考文献-科学参考

单词	upset welding
释义	upset welding [`ǝ´set ´weld·iŋ] ^METALLURGY A resistance welding process in which coalescence is produced simultaneously over the entire area of abutting surfaces or progressively along a joint; pressure is applied before heating is started and is maintained throughout the heating period.
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