dualistn.二元论者
dualadj.双重的;成双的n.双数
dual-fuel burner双燃料喷燃器
Dual in-Line Pin双列式钉
dual band detector双色探测器
Dual decomposition对偶分解
dual apportionment双重分配
dual - polarized双极化
dual-drum roller双轮压路机
Dual-end pumping双端泵浦
dual-purpose oil双效油
dual-shaft mixer双轴混合器