double yin重阴
doubleadj.双重的;成双的;两倍的v.翻一番;使 ... 加倍n.两倍;双份
double ablorption pipet双吸收球管
double-tuned coupling双调谐电路耦合
Double-toothed Barbetn.双齿拟啄木鸟
double slot piston ring双缝活塞圈
double-faced jacquard双面提花
double - layer fabric双层织物
double contrast eenemca双对比灌肠
double drawn human hair双齐档发
double-scetion filter二节滤波器
double - power supply双电源