Double GST双层GST
doubleadj.双重的;成双的;两倍的v.翻一番;使 ... 加倍n.两倍;双份
double strange attractors双混沌吸引子
double pored dog tapeworm[医] 犬复殖绦虫, 犬复孔绦虫
double-cone loudspeaker双纸盆扬声器
double strength stop bath双浓度定影液
double-nozzle spray gun双口喷枪; 双组份喷枪
Double threshold detector双门限检测器
double-end knife colter翻换式直犁刀
double needle bed machine双针床针织机
double thymidine blockade双胸腺嘧啶阻断