“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	dual-temperature exchange dual tensor dual tessellation dual theorem dual theory dual throat vector control dual topological group dual transformation dual triangle dual-use land dual value identification method of archives dual variable dual variety dual vector dual vector bundle dual vector space dual voting dual-wall drill pipe dual water supply dual wavelength spectrophotometer dual wavelength weather radar Duan Chaoduan Duan Chenggen Duan chengji Duan Chunlin

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