double bar超棒眼
doubleadj.双重的;成双的;两倍的v.翻一番;使 ... 加倍n.两倍;双份
Double lines width ridge大垄双行
double elliptical cavity双椭圆腔
double-end cooperative双端协同
double -track box beam双线箱梁
double ductus arteriosus双动脉导管
Double-step tightening两级递进式提紧
Double kidney and pelvis双肾和肾盂
double close end spanner双头活动扳手
double-current simplex双流单工
double junctional rhythm双重交接处节律