工频磁场强度
Power frequency magnetic field
power frequency magnetic field intensity
frequency magnetic field strength
工频电磁场
Power frequency electromagnetic field
power-frequency electromagnetic field
power frequency electromagnetic fields
Extremely low frequency(ELF)electromagnetic field
ultra low frequency
Extremely low frequency
electromagnetic fields
industrial frequency electromagnetic field
50 Hz-electromagnetic Field
frequency electric and magnetic field
Power frequency magnetic field
power frequency electromagnetic
power-frequency electromagnetic fields
变频-工频切换
switching between variable frequency and industrial frequency
变频-工频同步切换
VF-FF synchronous switching
电磁场工程
electromagnetic field engineering
工频场强
Frequency field intensity
工频磁感应强度
power frequency magnetic field intensity
人工磁场
artificial magnetic field
现场工频耐压试验
on Site Power-frequency Voltage Tests
磁场频率
Frequency of magnetic field
magnetic frequency
field frequency
磁场频谱分析仪
magnetic field spectrum analyzer
低频磁场
Low-frequency magnetic field
low-frequency longitudinal magnetic field