单词 | spot welding |
释义 | spot welding in American English a welding process in which overlapping metal pieces are held under great pressure between two electrodes, between which a brief, powerful current is passed, effecting the weld Derived forms spot-weld (ˈspot-ˈweld) verb transitive, verb intransitive spot-welder (ˈspot-ˈwelder) noun |
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