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-cable suspension bridge双索悬索桥
double -standard-pitch auger双螺距螺旋
double disc friction screw press双圆盘摩擦压力机
double-pole doublethrow switch双刀双掷开关
Double Stages Of Lighting Strike武器:双段月斩
double-impeller impact breaker双叶轮冲击破碎机
Double bevelled oil control ring双坡口油环
Double-antibody Sandwich ELISA双抗夹心ELISA