“expandable sand screen”的概念、定义、翻译、参考文献-科学参考

单词	expandable sand screen
释义	expandable sand screen Encyclopedia 工学机械防砂释 expandable sand screen可膨胀防砂筛管由割缝钢管、防砂筛布和预割缝钢板三部分组成的先进的井下完井工具。
随便看	Directorate for Imperial Accouterments Directorate for Imperial Temples directorate-general　 Directorate of Astronomy and Calendar Directorate of Waterways direct orbit director-choreographers in integrated musicals director circle director cone director curve direct organogenesis director-general of grain transport director-general of the Grand Canal director hammer percussion direct orientation director of a bureau Director of Archery Storehouse Director of Dragon director of editorial department director of general affairs director of imperial observatory director of teaching and learning Director of the Highest Rank Director of the Imperial Library director of the outer scene

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。