“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	eyepiece micrometer eyepiece, ocular eyepieces eyepiece scale eyepiece slide eyepiece spectroscope eye plastic surgery eye point eye point distance eye-point distance eye position eye protector eye pupil eye relief eye sensitivity curve eyeshade eyeshield eyesight tester eyes on the street eye-specks eye split eye-spotted turtle eyestrain eye tracing eye tracker

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。