“shielded metal-arc welding”的概念、定义、翻译、参考文献-科学参考

单词	shielded metal-arc welding
释义	shielded metal-arc welding [`shēl·dǝd ¦med·ǝl `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.
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