Duplexes双冲构造duplexn.双层公寓；联式房屋adj.双倍的；复式的；[计] 双方的duplex process双炼法,双联法,二联法duplex melting双联熔炼duplex bracket复式托架duplex furnace双联炉duplex bearing双轴承duplex working双工通信, 双工通报duplexing unit双面复印装置duplex console双连控制台duplexplacenta两叶胎盘duplex control双工控制,复式控制