double six双六
doubleadj.双重的;成双的;两倍的v.翻一番;使 ... 加倍n.两倍;双份
double ported valve双口阀
double transversion双颠换
double-fried pork回锅肉
double-mode field双模场
double entry charge复式计算
double-gable roof双脊屋顶
double skins facade双层幕墙
double gripper feed双夹持进料
double time service双授时
double cross points复式交分道岔