double fin双立尾
doubleadj.双重的;成双的;两倍的v.翻一番;使 ... 加倍n.两倍;双份
double tube drainage双管引流
double arc technique双电弧技术
double-gate MOSFET双栅MOSFET
double-drum winder下引纸高速复卷机
double-ended break双端闸
double acting diesel双作用柴油机
double godet machine双导轮纺丝机
double edge coloring双约束边染色
double notched joint开槽叠接
double circle shield双圆盾构