英语词汇“be in operation”的翻译、意思、用法、释义-英汉双解词典-雅致网

单词	be in operation
释义	请查阅词条：operation
随便看	serving maid serving man serving-man servingman serving men servingmen serving of food and drink serving out serving plate servings serving suggestion serving wench serving woman serving-woman servingwoman serving women serving-women Servite servitor servitorial servitorship servitorship servitude servitudes servlet 为什么要使用鼠标? 为什么要保护地下水? 为什么要保护大灰狼? 为什么要保护大象为什么要保护老虎的原因为什么要保护臭氧层? 为什么要保护臭氧层为什么要修建地铁? 为什么要修建隧道? 为什么要修筑万里长城? Kurbelapparat Kurbelarm Kurbelbezifferung Kurbelbilge Kurbelbrett Kurbeldach Kurbeldrehbank Kurbeldrehkreis Kurbeldrehmoment Kurbeldrehung