doubleleafadj.双翼的
doubleadj.双重的;成双的;两倍的v.翻一番;使 ... 加倍n.两倍;双份
double ended system双端系统
Double Extra Strong特超强的
double-stub tuner双短线调谐器
double roll breaker双辊破碎机
double face leather毛革一体
double ended probes双头探针
double-deck wagon双层运载车
double thread screw双头螺纹
double blind method双盲法(试验)
double-yolked egg双黄蛋