A slit detection apparatus for cloth slitting machine is developed using photoelectric detection technique.
利用光电探测手段研制成功了用于对缝剖布机的实时光电布缝探测器。
Voltage reference apparatus, voltameter, battery voltage detection apparatus and wireless communication device.
电压参考装置，伏特表，电池电压检测装置和无线通信设备。
A voltage preference apparatus, a voltameter, a battery voltage detection apparatus, and a wireless communication device.
电压参考装置，伏特表，电池电压检测装置和无线通信设备。
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