“年关”的概念、定义、翻译、参考文献-科学参考

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。

单词	年关
释义	年关 new year's eve
随便看	round-head buttress dam round head carriage bolt round head counter sunk rivet roundheaded borer (Saperda candida) round-headed nail roundheaded training roundheaded window roundheaded wood screw round-head piston roundhead primrose (Primula sphaerocephala) round head rivet roundhead screw round head square neck bolt round head stake round head wood screw round heart disease round hole card round-hole mesh round-hole plate round-hole punched plate round-hole screen round horizon round horseshoe arch round indication rounding