double fin双立尾
doubleadj.双重的;成双的;两倍的v.翻一番;使 ... 加倍n.两倍;双份
Double-closed loop双闭环
double-layer grids平板网架
double-disc device双盘式测量仪
double tubular shaft双套管转轴
Double- lumen tube双腔支气管导管
double-sided khaki双面卡其布
double-row formula双排管计算公式
double-block highs双阻型高压
double - row pries双排桩
double milled fabric双缩绒织物