Low voltage operation certificate 低压上岗证
large over-voltage operation 大过电压运行
subnormal voltage operation 低电压运行
High voltage operation certificate 高压上岗证
low voltage operation 低压电工作业 ; 低压运用
constant voltage operation 定电圧运転 ; 恒压运行
Operation Voltage 工作电压 ; 操作电压 ; 输入电压
high voltage operation 高压电工作业 ; 高电压运行
over voltage operation 操作过电压
With 12V low voltage operation, environmental safety and to avoid the harm caused by high frequency.
采用12V低电压工作，环保安全，避免高频所带来的危害。
Electronic load can be set for constant current, constant resistance and constant voltage operation.
电子负载可以设置为恒流﹐恒阻和恒压模式。
The new liquid crystals feature wide working temperature range, low voltage operation and high reliability.
新型液晶的特点是：工作温度范围宽，工作电压低，可靠性高。
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