doubleflowadj.二通量的
doubleadj.双重的;成双的;两倍的v.翻一番;使 ... 加倍n.两倍;双份
double-seat valve双座阀
double driver plate双销拨盘
double star winding[电] 双星绕组
double-cut shears双刃剪切机
double-name paper双名票据
double action press双动冲床,复动式压力机,双动压力机
double-delta wing双三角翼
double wing spanner双翼梁
double course glass中空玻璃
double alkalisation二次碱化