“upper trough”的概念、定义、翻译、参考文献-科学参考

单词	upper trough
释义	upper trough [`ǝp·ǝr `trȯf] See <<upper-level trough>>
随便看	cement copper cemented carbide cemented lens cement gland cement gravel cement gun cementing basket cement injector cementite cementitious material cement kiln cement-lined casing cement log cement mill cement mortar cement paint cement paste cement plaster cement pump Micropterygidae eremophobia Erethizontidae ereuthophobia ERG erg

科学参考收录了103327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。