“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	secondary kidney disease secondary Kodaira surface secondary lead secondary light secondary literature secondary liver cancer secondary loess secondary lymphedema secondary lysosome secondary malnutritionsecondary malnutrition secondary market secondary market of mining rights secondary maximum secondary measurement standard secondary meristem secondary metabolism secondary metabolite secondary metabolites fermentation secondary metabolites of diseased forage secondary metabolites of medicinal plants secondary migration of oil and gas secondary mineral secondary mineral resources secondary minimum secondary mirror

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