单词	arc welder
释义	arc welder noun 1 : a machine that creates arcs for arc welding For instance, you can use an arc welder and welding rod to build up a worn surface, such as a crankshaft journal. Richard Finch, Welder's Handbook, 2007 2 : a person whose job is arc welding Following recovery the patient was anxious to return to work as an arc welder. Leslie A. Geddes, Medical Device Accidents and Illustrative Cases, 2002 Word History First Known Use 1890, in the meaning defined at sense 1
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