double rig双隐睾
doubleadj.双重的;成双的;两倍的v.翻一番;使 ... 加倍n.两倍;双份
Double rotation inverted pendulum旋转二级倒立摆
double commutator motor generator双整流子电动发电机
double conversion superheterodyne双变频超外差
double action oil hydraulic press双动油压机
double-label immunofluorescence免疫荧光双重标记法
double-alkali of sodium calcium钠钙双碱法
double arc extinguishing chambers双灭弧室
double-row anti-sliding piles双排抗滑桩