“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	isotope excited Xray fluorescence spectrometry isotope exciter light source isotope fractional distillation effect isotope fractionation isotope fractionation factor α isotope fractionation; isotopic fractionation isotope fractionation β factor isotope frequency isotope geochemistry isotope geology isotope geothermometer isotope hydro1ogy isotope hydrogeology isotope hydrology isotope hydrology technology isotope labeled method isotope labeling isotope labelling isotope latitude effect isotope mass spectrometer isotope mass spectrometry isotope-mass spectrometry for pharmaceutical analysis isotope mineralogy isotope neutron source isotope peak

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。