“Riffel loudspeaker”的概念、定义、翻译、参考文献-科学参考

单词	Riffel loudspeaker
释义	Riffel loudspeaker 里费尔扬声器
随便看	rail skip rail-slitting mill rail slitting mill rail specification rail spike rail splice rail square rail steel rails tie plate rail straightener rail-straightening machine rail support rail surface rail tank car rail tanker rail test rail tester rail thermit rail tie bar rail tongs rail track rail traction rail transit rail transport rail travel

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。