double lip重复唇,复唇
doubleadj.双重的;成双的;两倍的v.翻一番;使 ... 加倍n.两倍;双份
double star rectifier circuit双重星形整流电路
Double-metal composite pipe双金属复合管
double-contrast radiography双对比放射照相术
Double-cladding fiber laser双包层光纤激光器
double press-injection mold双层压注模
Double -Conkvuter Preparing双机热备
double-tapered muff-joint双圆锥联轴套
Double-detection technology双探测技术