dualtireadj.双轮的
dualadj.双重的;成双的n.双数
dualistic ownership structure二元股份结构
dual-layer adhesive machine双面涂胶机
dual-frequency observat ion双频观测值
dual loop phase-locked loop双环路锁相环
dual waveband infrared sensor双波段红外传感器
dual-cross search algorithm双十字搜索算法
dual ventilation local-fans双局扇
dual access tributary station双通道支局
dual-mode propulsion system双模式推进系统