duplexn.双层公寓；联式房屋adj.双倍的；复式的；[计] 双方的duplex mode双工方式duplex coil双层盘管duplex tube孪生管,复合管,双管duplex lamp双心灯duplex iron双联铸铁duplex oleo双减振支柱duplex hook双联钩duplex gear双联齿轮duplex film双重膜duplex gage双针计