photogenerator

... photogastroscope摄影胃镜，胃内照像器 photogene后像，余像 photogenerator光电信号发生器 ...

 photoelectric signal generator

... 传感线圈 pick-up coil 光电信号发生器 photoelectric signal generator 点火脉冲信号放大器 ignition pulse amplifieer ...

 pick-up coil

... magnetic pulse generator 传感线圈 pick-up coil 光电信号发生器 photoelectric signal generator 点火脉冲信号放大器 ...