doubleadj.双重的;成双的;两倍的v.翻一番;使 ... 加倍n.两倍;双份
double-barrelled fowling piece双管鸟枪
double-dog type furnace pusher双列推爪式肪用推钢机
double- level non- linearity双重非线性
double-step write compensation双阶跃写入补偿
double-break circuit-breaker双断断路器
double reduction bevel spur gear双级圆锥圆柱齿轮减速器
double-layer longitudinal beam双层纵梁
double-competency construction双师结构
double motor AC generator system双马达交流发电机系统