“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	Wei Congwu Wei Dan weidao Wei Daoming Wei Dazhong Wei Dezhong Weidong Qu Wei Duo Weidu Qu Wei E Weierstrass Weierstrass approximation theorem Weierstrass-Bolzano theorem Weierstrass canonical form Weierstrass canonical product Weierstrass-Casorati theorem Weierstrass condition Weierstrass constant Weierstrass coordinate Weierstrass criterion Weierstrass curve Weierstrass division theorem Weierstrass double series theorem Weierstrass E-function Weierstrass elliptic function

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