“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	science and education TV program Science and Human Behavior Science and Industry Museum，Manchester science and technological achievements statistics science and technological output statistics science and technology archives management science and technology center science and technology competitiveness evaluation Science and Technology Daily Science and Technology Development Planning (1956—1967) science and technology dictionary science and technology evaluation science and technology exhibition science and technology in Ancient Mesopotamia science and technology information analysis Science and Technology Information Institute of the Philippines science and technology information resources science and technology information service science and technology insurance Science and Technology Knowledge Organization System, STKOS science and technology law Science and Technology of Food Industry science and technology of pratacultural in China science and technology policy evaluation science and technology project evaluation

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。