double box双窝
doubleadj.双重的;成双的;两倍的v.翻一番;使 ... 加倍n.两倍;双份
double interaction双重交互影响
double coil spring双圈弹簧
double reansonance双共振
double negotiation重复押汇
double way circuit桥形电路
double inheritance双重遗传性
double T-section工字形剖面
double vision test复视试验
double row bearing双列轴承
double kernel cake双仁香酥