dual net对偶网
dualadj.双重的;成双的n.双数
dual positive clearance双重正间隙
dual string well packer双油管井封隔器
dual IP protocol stacks双IP协议栈
dual-rate moon camera双速月球照相机
dual attachment station双连接站
dual energy subtraction双能减影(法)
dual edge trimming iron双片边刨刨刀
dual traverse barograph双杆气压计
dual-gap rewrite head双缝重写头
dual frequency diversity双频分集