doublepoleadj.两极的(双杆的;双刀的)
doubleadj.双重的;成双的;两倍的v.翻一番;使 ... 加倍n.两倍;双份
double disc drill colter双圆盘条播开沟器
double-ended dissector双头剥离器
double-blind technique双盲(试验)技术
double- end - pumped双端泵浦
double leadout connector双排出线连接器
double-layered cushion双层气囊
double sideband receiver双边带接收机
double-doublet antenna双偶极天线
double pole lever switch双极杠杆开关
double exponential pulse双指数脉冲