单词	检验返回信号
释义	检验返回信号医checkback
随便看	photo-electric pulse wave photoelectric pyrometer photo-electric pyrometer photoelectric pyrometre photoelectric pyrometry photoelectric radial velocity photoelectric radial velocity spectrometer photoelectric radiationdetector photoelectric radiation detector photoelectric reactor photoelectric reader photoelectric reading photoelectric reading device photoelectric reading microscope photoelectric receiver photoelectric receiving photoelectric receptor photoelectric recognition photoelectric reconnaissance photoelectric recorder photoelectric, recording photoelectric recording instrument photoelectric recording technique photoelectric red threshold photo-electric reflective sensor