double gapadj.双火花间隙的
doubleadj.双重的;成双的;两倍的v.翻一番;使 ... 加倍n.两倍;双份
double-acting actuator双向致动装置
DOUBLES TEAM OF THE YEAR年度最佳双打组合
double-diffused device双扩散器件
double-master teaching双师授课法
double-line box girder双线箱梁
double cambered aerofoil[机] 双曲翼面
double swing cutter head双摆动铣头
double iron pulley block双轮铁滑车
double-breasted plough双壁开沟犁
double - liquid nozzle双流体喷嘴