double net双网doubleadj.双重的；成双的；两倍的v.翻一番；使 ... 加倍n.两倍；双份double-channel impeller pump双路叶轮泵double cutter shearing machine双刀滚剪毛机double channel febrile disease两感伤寒(中医)double direction marking block双向分块double-Y connected rectifier双星形连接整流器Double - drugs compatibility配伍药对double-catenary construction双悬链线结构Double Happiness brand vinegardouble-cassette paper feeder双纸盒供纸装置double-ended uterine curette双头子宫刮匙