单词residual current device
na.: 【电】剩余电流装置
【电学】剩余电流装置
RCD Residual Current Device (Earth leakage protection for socket outlets)
剩余电流装置(电气保护漏电插座)
Development on Reliability Test Device of Residual Current Device
漏电保护器可靠性试验设备的研制