doublerolladj.双滚筒的doubleadj.双重的；成双的；两倍的v.翻一番；使 ... 加倍n.两倍；双份double tachycardia双重性心动过速double replacement双重取代,互换Double Han Dynastydouble path system双路系统double personality双重人格双重人格,双重人格double-lock welt双咬口double jointed arm双铰链臂Double ridge stage起身期double faced paper两面涂色不同的纸double-row piles双排桩