单词	kewledge economic
释义	kewledge economic 知识经济
随便看	operating part operating passenger train operating path operating patient operating pattern operating pattern of library operating peak output voltage operatingperformance operating performance operating performance income statement operating-performance income statement operating performance of asynchronous motor operating performance ratio operating performances operating performance test operating period operating personnal operating personnel operating personnel error operating personnel exectives operating phase operating philosophy operating physical force operating pipe operating piston