单词	electric-arc welding
释义	electric-arc welding electric-arc welding n (Metallurgy) another name for arc welding electric-arc welding electric-arc welding [i′lek·trik ‚ärk ′weld·iŋ] (metallurgy) Welding in which the joint is heated to fusion by an electric arc or by a large electric current. Also known as arc welding. arc welding arc welding: above, with bare electrodes; below, circuit The joining of metal parts by fusion, in which the necessary heat is produced by means of an electric arc, sometimes accompanied by the use of a filler metal and/or the application of pressure.
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