doubledomen.<美俚>(自以为)有高度文化修养的人doubleadj.双重的；成双的；两倍的v.翻一番；使 ... 加倍n.两倍；双份double drum separator双浓筒磁选机double voltage rating双额定电压double-bracket post双侧托架柱doubledefense systems两卫double rolling circle双滚环Double - projective双投影double -flue boiler双炉胆锅炉Double-decked model双层模型double-loop pattern双箕斗double dual structure双重二元结构