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	red-wood Redwood City redwoods Redwood second redwood's viscometer Redwood's viscometer Redwood viscometer redworm redworms redye red zinc red zinc ore red zone redžang Redžang ree reeaf reeapin 'ook reeapin' 'ook reebok reeboks re-ebullient re-echo re-echoed re-echoes 国本国术国柄国标国格国歌国殇国民国民党国民待遇 Winkelrad Winkelrechte Winkelreibahle Winkelrichtigkeit Winkelriementrieb Winkelrohrstutzen Winkelscheitel Winkelschere Winkelschleifer Winkelschlüssel