英语词汇“back-up item”的意思、用法、释义、翻译、读音、例句、短语、词组-英汉翻译词典

单词	back-up item
释义	back-up item 备分项目;备用项目
随便看	screw geared chain hoist screw gearing screw-gearing screw-gear universal testing machine screw geometry screwgie screwgies screw gill drawing frame screw grinder screwguard screw guard screw gummer screw gun screw head screwhead screw-head screw head bulb screw header screw-header screw head file screw head mandrel screwheads screw-head slotting machine screw heel screw height control

英汉翻译词典包含4368284条英汉汉英翻译词条，基本涵盖了全部常用英语单词及常用语的翻译及用法，是英语学习的有利工具。