photoelectric

• Obscuration - type photoelectric smoke detector
  减光型光电感烟探测器
• Test method for cotton length - auto - photoelectric stapler
  棉纤维长度试验方法自动光电长度仪法
• Design of an extremely weak photoelectric current measuring circuit
  极微弱光电流测量电路的设计
• Portable instrument photoelectric straightening
  便携式精密矫正机
• Photoelectric safety detector of press tool
  冲床模具安全检出装置
• A general officer fluctuation photoelectric wire connection contraposition
  将上下光电接线对调
• Developing non - fatal photoelectric weapon
  发展中的非致命光电武器
• Design of amplifier circuit of photoelectric detection for weak signal
  光电探测微信号放大器设计
• Single contact photoelectric sensor switch
  单触光电开关传感器
• D . c . photoelectric amplifier galvanometer
  直流光电放大式检流计