double KTP双KTPdoubleadj.双重的；成双的；两倍的v.翻一番；使 ... 加倍n.两倍；双份double-rice cropping system双季稻Double sided drilling machine双面钻窝机Double Vgroove with root face根部半径double-column ledger account双栏式分类帐帐户Double -layer Planning Model二层规划模型double cup porcelain insulator[电] 双瓷杯绝缘器double-ended uterine dilator双头子宫扩张器double signal telegraph keying双极信号电报键控double wavelength light source双波长光源double-factorial terms trade双边因素贸易条件