单词 | inert gas-shielded arc welding |
释义 | inert gas-shielded arc welding [i`nǝrt ¦gas ¦shēld·ǝd `ärk ´weld·iŋ] METALLURGY An arc-welding process in which the weld area is shielded by an inert gas to prevent oxidation. Also known as Heliarc welding. |
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