计算机网络电源和信号线路的防雷击保护。
Computer network power source and signal circuit's against thunder stroke protection.
三刀开关最早用于切换伏特计保护及信号线路。
The three-pole switch was originally used to switch a voltmeter guard along with the signal lines.
如果用胶带将黑色屏蔽线固定到信号线路，则会减弱天线信号。
Reduced antenna signal if the black shielding lines are secured to the signal lines with adhesive tape.
在温度传感器之间的信号线路被安装时，要确保不受其它信号干扰。
Signal circuits between parts of a heat meter shall be so installed as to deter unauthorized interference and disconnection.
所述的称重传感器(5)、驱动数字伺服阀的步进电机以及数字阀(1)上的编码器(10)分别通过信号线路与所述的PLC(7)连接。
A weighing sensor (5), the stepper motor driving the digital servo valve and the coder (10) on the digital valve (1) are respectively connected with the PLC (7) by signal circuits.
所述的称重传感器(5)、驱动数字伺服阀的步进电机以及数字阀(1)上的编码器(10)分别通过信号线路与所述的PLC(7)连接。
A weighing sensor (5), the stepper motor driving the digital servo valve and the coder (10) on the digital valve (1) are respectively connected with the PLC (7) by signal circuits.
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