英语词汇backup washer怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	backup washer
释义	backup — 奥援 washer n — 垫圈 n • 洗衣 n • 扣环 n washer — 洗涤机
随便看	promote the maintenance promote the marketing promote the modernisation promote themselves promote the musical promote the offerings promote the philosophy promote the policy promote the popularity promote the position promote the provision promote the quality promote the reduction promote the release promote the reputation promote the results promote the search promote these brands promote these rights promote the signature promote the spirit promote the status of promote the study promote the transformation promote the use

英汉双解词典包含2273206条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。

backup —