duplexorn.双工器duplexn.双层公寓；联式房屋adj.双倍的；复式的；[计] 双方的duplex wind tunnel双试验段风洞duplex geared pump双齿轮泵duplex tooth taper双重收缩齿duplex carburetter复式化油器duplex independent双工独立duplex check valve双止回阀duplex fiber cable双芯光缆duplex measurement复合测量duplex inheritance[医] 双亲遗传duplex crank press双曲轴压力机