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1. Oxford American Dictionary

   arc welding

   • IPA[ˈärk ˌweldiNG]

   • n.
     a technique in which metals are welded using the heat generated by an electric arc.

   • noun: arc welding

2. • 更多解釋

   arc welding

   • n.
     a technique in which metals are welded using the heat generated by an electric arc.

   Oxford Dictionary