“powder-metallurgy sand screen”的概念、定义、翻译、参考文献-科学参考

单词	powder-metallurgy sand screen
释义	powder-metallurgy sand screen Encyclopedia 工学机械防砂释 powder-metallurgy sand screen粉末冶金滤砂管由铜合金包裹经过筛选的铜颗粒或铁粉（多数采用铁粉）烧结而成的防砂筛管。
随便看	philosophical perspective on educational technology Philosophical Principles of Matter and Movement philosophical problems in astronomy philosophical problems in chemistry philosophical problems in cybernetics philosophical problems in psychology philosophical problems of information sciences Philosophical Review philosophical situationism philosophical thought of Stalin philosophical thought of V.I.Lenin philosophical thought of Yun Daiying philosophical thoughts of K.Marx and F.Engels Philosophical Transactions Philosophie zoologique Philosophiæ Naturalis Principia Mathematica philosophy Philosophy and Religion philosophy and social science innovation system Philosophy and the Mirror of Nature Philosophy and the Young Child Philosophy Concerning with Man's Life Philosophy in a Changing World philosophy method of librarianship philosophy method of library science

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。