“roller gate”的概念、定义、翻译、参考文献-科学参考

单词	roller gate
释义	roller gate [`rō·lǝr ´gāt] ^{CIVIL ENGINEERING} A cylindrical, usually hollow crest gate that is raised and lowered by large toothed wheels running on sloping racks.
随便看	Ashby ash collector ash cone ash content ash conveyor ash dump ashen light ash fall ash field ash flow ash furnace ash fusibility Ashgillian ashing ashlar ashlar brick ashlar line ash pan ash pit ash pit door ash plain ash rock ash shower ashstone ashtonite

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。