doubleendadj.双端的(两端引出式)doubleadj.双重的；成双的；两倍的v.翻一番；使 ... 加倍n.两倍；双份double-channel双通道double skin duct双层管道double six array双六单元天线阵double up double同挤一室double templates双模板剂double wire mask双线掩模double bar gauge双杆划线规double wattmeter双重瓦特计Double-Striped双纹[石行]double esophagus双食管