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 register双工寄存器duplex RT-PCR双重RT-PCRduplex injector[机] 复式喷水器duplexed system双套系统duplex impurity复合夹杂duplex repeater双工转发器[帮电机] E-23duplex placenta两叶胎盘duplex molecule双链分子duplexercoupler复式耦合器duplex atomizer双喷口式雾化器双路喷嘴