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ELISAdouble stick hank dyeing machine双棒绞纱染色机double bridge two-way repeater双桥双向转发器