double-J双J管
doubleadj.双重的;成双的;两倍的v.翻一番;使 ... 加倍n.两倍;双份
Double Disc Flat Gate Valves对夹式阀门
double circuit on same tower同杆并架
double scattering experiment双散射实验
double end adjustable wrench双头可调扳手
double-response controller双重作用调节器
double sideband transmission双边带传输
double length multiplication双倍长乘法,双字长乘法
double acting hydraulic jack双酌液压油缸
double sine wave-based PWM双脉冲宽度调制