英语词汇“safety of train operation”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	safety of train operation
释义	safety of train operation 铁路行车安全
随便看	Cover her while I phone the police cover/hide a multitude of sins cover hinge cover his track cover hole cover hood cover hoodbonnet hood cover hook cover hook wringer cover hook wrinkle cover ice coveries co-verification coverignfunctor cover illustration by Tristan Elwell coverimage cover image cover images coverin coverin' cover in cover inadequately Cover in a grave covering covering-adding water curing