英语词汇“railbed”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	railbed
释义	railbed railbed (ˈreɪlˌbɛd) n (Railways) railways the ballast layer supporting the sleepers of a railway track
随便看	quality assurance and improvement quality assurance and improvement committee quality assurance and learning and teaching committee quality assurance and new techniques in radiation medicine quality assurance and operations quality assurance and program improvement quality assurance and quality control quality assurance and quality improvement quality assurance and safety of medicines quality assurance and testing quality assurance and test services quality assurance annual report quality assurance assessment program quality assurance association of maryland quality assurance audit database quality assurance, auditing, & security quality assurance certificate quality assurance committee quality assurance control quality assurance coordinator quality assurance department quality assurance discrepancy report quality assurance division quality assurance evaluation program quality assurance evaluation test

英语词典包含2567994条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。