double bud重芽
doubleadj.双重的;成双的;两倍的v.翻一番;使 ... 加倍n.两倍;双份
double-zero rapeseed双零油菜
double-decker bridge双层桥
double disc gate valve双圆板闸阀
double ended magnetron两端出线磁控管
double ended autoclave双门热压釜
double-tariff system双税系统
double-filament bulb双丝灯泡
double renewal process布朗运动
double-end snap gage双头卡规
double-webbed girder双腹板桁梁