double row双行doubleadj.双重的；成双的；两倍的v.翻一番；使 ... 加倍n.两倍；双份Double-close-loop system双闭环系统double-dek extended tablet双层缓释片double-object construction双宾语结构double beam cathode ray tube双电子束阴极射线管double barrel drum mix plant双滚筒连续式拌和楼Double disturbance mechanism二重扰动机制double cubic spline function双三次样条函数double two high rolling mill复二重式轧机double-channel demodulator双通道解调器double-head miling machine双轴铣床