After being laid, cable should undergo DC voltage test.
电缆敷设安装后应经直流耐压试验。
Measuring DC voltage and current, the LED display, and display power.
测量直流电压电流，在数码管上显示，并且可显示功率。
My next stop took me to the AC-DC thermal voltage and current lab.
我的下一站是参观AC - DC热电压和电流实验室。
This paper introduces the composition and function of DC. low voltage network intelligent management system.
文章介绍了直流低压网络智能化管理系统的组成和功能。
DC standard voltage source is a kind of metrology standard instrument with high accuracy.
直流标准电压源是一种高准确度的计量标准仪器。
交流电流源或电压源。
A new leak current model of high voltage DC leak detection is developed.
建立了填埋场渗漏检测高压直流电法漏洞电流模型。
Low voltage DC power is also provided for control power and emergency power.
低压直流电作控制电源和应急电源。
Safe; Low voltage dc 12V power supply , so it's very safe.
安全；采用低压直流12V供电电压，因此使用上非常安全。
Safe; Low voltage dc 12V power supply , so it's very safe.
安全；采用低压直流12V供电电压，因此使用上非常安全。
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