dual PLC双可编程逻辑控制器
dualadj.双重的;成双的n.双数
dual-trace amplifier双迹放大器
dual-chamber culture双室培养
dual-purpose reactor两用反应堆
dual ring phase scheme双环相位结构
dual polarized antenna双极化天线
dual hydraulical brake双组液力制动器
dual capacity doctrine双重权利说
dual induction logging双感应测井
dual punishment system双罚制
dual thermistor bridge双热敏电阻电桥