double bud重芽
doubleadj.双重的;成双的;两倍的v.翻一番;使 ... 加倍n.两倍;双份
double hopper spreader双斗播种撒肥机
Double Layer Structure二层结构
double-point scriber两端划针
double-loop networks双环网络
double-decked bridge双层桥
double power amplifier双功放
double digit inflation两位数的通货膨胀
double hollow bit tong十字空心钳
double Hopfbifurcation
double sideband signal双边带信号