doubleadj.双重的;成双的;两倍的v.翻一番;使 ... 加倍n.两倍;双份
double cropping in one season一季双作
double-locked standing seam双咬口交缝
double rubber coated sheeting双面涂胶布单
double-level neural network两级神经网络
double button type microphone双按扭式送话器
double-checkerboard pattern[电] 双检查盘图案
double teasel raising machine双滚筒刺果起绒机
double ether double sulfonate双醚双磺酸钠盐