“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	vision function vision in God vision intensity vision representation vision resolution vision sense technology vision training vision zero visio-plasticity approach，visio-plasticity method visit and appreciate Visitation of the Blessed Virgin Mary visitation right visiting friends and relatives，VFR visiting memory Visiting Yuelu Temple with Qian Taishou, Four poems composing poems at the banquet Visiting Zhao Pu in Snow night by Liu Jun visitor activity management process visitor center visitor center of nature reserve visitor experience and resource protection visitor impact management Visitor Information Center visitor intercom system visitor passage visitor pattern

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。