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

单词	shielded arc welding
释义	shielded arc welding [`shēl·dǝd `ärk ´weld·iŋ] ^METALLURGY Arc welding in which the electric arc and the weld metal are protected by gas, decomposition products of the electrode covering, or a blanket of fusible flux.
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