词汇	Ziegler olefin
释义	Ziegler olefin 齐格勒法烯烃
随便看	informal group of university students informal groups informal house property Informal housing informal ideology informal information informal information communication informal information system informal innovation network informal innovation networks informal institution informal institutional arrangement informal institutional changes informal institutions informal instiution informal interview informal invitation informal leadership meeting informal leaming informalion delivery informalion network informalion system design case in formal ion system management informal IOU informalism