释义 |
shielded metal-arc welding shielded metal-arc welding[′shēl·dəd ¦med·əl ′ärk ′weld·iŋ] (metallurgy) Arc welding in which heating with an electric arc between the electrode and the work produces fusion of the electrode covering which shields the work. shielded metal-arc weldingWelding which utilizes the heat produced by an arc between a covered metal electrode and the work. |