“protected opening”的概念、定义、翻译、参考文献-科学参考

单词	protected opening
释义	protected opening 设防洞口
随便看	pecuniary condition pecuniary difficulty pecuniary economics pecuniary embarrassment pecuniary exchange pecuniary penalty pecuniary resources ped pedagogic algorithm language pedal pedal accelerator pedal adjusting collar pedal adjusting link pedal adjustment pedal aperture pedal arm pedal bale breaker pedal base pedal bracket pedal brake pedal bushing pedal circuit pedal clearance pedal control pedal crank

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。