double ace特级飞行员doubleadj.双重的；成双的；两倍的v.翻一番；使 ... 加倍n.两倍；双份double-glue bat双面胶板double viewpoints双重视角double iron plane双刃刨double ended type双端引线型double-bandmill双带锯制材厂double-port RAM双端口RAMdouble shear line双剪切机剪切作业线double ionization二次电离double bed system复床式double power mean二重幂平均