单词	防失誤
释义	同GUARD
随便看	electronic quenching circuit electronic quenching--circuit electronic quotation screen electronic radiography electronic railway scale electronic random number generator electronic range theodolite electronic ranging system electronic raster electronic raster scanning electronic ray electronic reading machine electronic readout electronic readout equipment electronic reconnaissance electronic reconnaissance accessory electronic reconnaissance facility electronic reconnaissance satellite electronic reconnaissance system electronic record electronic recorder electronic recording electronic recording machine electronic recording machine accounting electronic recording machine accounting，erma