“welding qualification and certification”的概念、定义、翻译、参考文献-科学参考

单词	welding qualification and certification
释义	welding qualification and certification Encyclopedia 工学金属焊接释 welding qualification and certification焊接资格认证按照从事焊接行业所必需的技能标准或任职资格条件，通过政府或国际认可的考核机构对劳动者的技能水平进行评价和鉴定，并对合格者授予焊接技术资格证书的活动。
随便看	Eastern Ghats eastern greatest elongation Eastern Han Dynasty Eastern Han Dynasty celadon five tank and heap plastic altar eastern Hebei ground Yangge eastern hemisphere Eastern Huns branch Eastern Jin Dynasty eastern junggar coalfield Eastern Jurchen Regime Eastern Library Eastern-Min Subgroup Dialects eastern mole-vole eastern monsoon China Eastern Neptune shrimp Eastern Opera Exhibition and Academic Conference eastern Pacific El Niño Eastern Pact Eastern Province eastern purple coneflower eastern quadrature Eastern question Eastern sect of Taoism Eastern Standard Time Eastern Time

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