“roof bar”的概念、定义、翻译、参考文献-科学参考

单词	roof bar
释义	roof bar 顶杆
随便看	troughed rubber belt shuttle conveyor trough fault trough flow trough girder trough grinding-polishing machine trough gutter troughing troughing belt troughing conveyer troughing idler troughing idlers (皮带机用) troughing roller troughing rolls trough iron trough-like basin trough line trough mixer trough of belt trough of flame trough of low pressure trough plate trough reflector trough roller trough section trough shaped valley

科学参考收录了1248194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。