“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	emission-line nebula emission-line object emission-line star emission measure emission mechanism emission microscope emission nebula emission nebulosity emission of black hole emission operator emission performance standard for stationary source emission point emission probability emission process emission sources emission spectrographic analysis emission-spectroscopical emission spectroscopy emission spectrum emission standard for industrial enterprises noise at boundary emission standard for ocmmunity noise emission standard of air pollutants for fossil-fired power plant emission standard of environment noise for boundary of construction site emission standards and measurement methods of railway noise on the boundary alongside railway line emission standards for stationary sources

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