“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	Collected Shanzuo Ci-Poems from Stone Lotus Studio Collected Singing Tunes of Henan Bangzi Opera Collected Strange Stories Concerning Women Collected Studies on Chinese Opera Collected Studies on Opera and Fiction Collected Tales of Brilliant Notables Collected Textual Criticism on Nine Chapters on the Art of Mathematics Collected theses of Qi Gong Collected Traditional Plays of Henan Opera Collected Tunes of Yangju Opera Collected Variety and Romance Plays of Tang Ying Collected Variety Plays of Fu Yichen Collected Views of Calligraphy and Painting collected works Collected Works of Bian Huaquan Collected works of Chen Xiang,block-printed edition,thirty-first year of Shaoxing era by Chen Hui,Song Dynasty Collected Works of Diaoji Collected Works of Fang Zhou Mr.Zhang Collected Works of Fan Zhongyan (Fan Wenzhenggong Wenji), block-printed edition, Northern Song Dynasty Collected Works of Gu Huayu Collected Works of Han Yu/Collected Works of Liu Zongyuan Collected Works of He Wenjian Collected Works of Hu Yan Collected Works of Kong Zang Collected Works of Li Taibai

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。