双燕夏普牌电冰箱
Double SwallowSharp refrigerator
双阳极电化学氢化物发生
bianode electrochemical hydride generation
Bi-anode Electrochemical Hydride Generation
双液隔电极式压电传感器
electrode-separated piezoelectric sensor(ESPS
双余度无刷直流电动机
dual redundancy brushless DC motor
双源电子束蒸发
double source electron beam evaporation
双滞环电流控制
double hysteresis current control
双中心三电子键
Two-center three electrons bond
双重广播电视体制
the system of dual broadcasting and television
双元型热释电红外传感器
double element pyroelectrie infrared sensor
double element pyroelectric infrared sensor