差动电压电流传输器
differential voltage current conveyor
电动差压传感器
electric differential pressure transmitter
发动机机油压力传感器电压
engine oil pressure sensor voltage
发动机可编程电子控制增压传感器
peec boost pressure sensor
测量用变压器电压检验
potential transformer voltage check
低压电器电触头
low voltage apparatus electrical contacts
电流传感器电压传感器光学计量单元
current transducerpotential transduceroptical metering unit
光电电压传感器
optical voltage transformer
施加电压电压测试
voltage source voltage measurement