“焊接资格认证”的概念、定义、翻译、参考文献-科学参考

单词	焊接资格认证
释义	焊接资格认证 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	twofold covering twofold mystery twofold relation twofold [symmetry] axis twofold symmetry axis twofold transitive group two-force member two-form two-for-one twisting machine two-four system tablature two-frequency laser two-frequency mechanical dither laser gyroscope two-gap model Two Generations of TCM Practitioners two-generator two grade reagent two-graph two-group Two Guides about Navigation Routes Two Guides to Ink Orchid and Bamboo Paintings two-half openwork jade ring with a dragon pattern two-hand control device two-hand coordination two-hand interaction two-high cross-rolling mill

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。