“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	persymmetric determinant persymmetric matrix PERT pertechnetic acid Perth perthes test perthiol Perth Observatory per-time payment pertubed angular correlation technique Pertubuhan Berita Nasional Malaysia perturbance perturbation perturbational method perturbation amplitude perturbation analysis perturbation analysis method perturbation approximation perturbation, disturbance perturbation equation perturbation expanded form of statistical operator perturbation expansion perturbation function perturbation growth perturbation guidance

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