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工频 gōng pín
IT mains frequency
met. line-frequency
oil industrial frequency
wind. line frequency; power frequency
业用电
railw. commercial frequency
电气工频 gōng pín
auto. power frequency
met. power frequency
工频 电热的 gōng pín
therm.energ. mains frequency in electroheat
工频
: 203 phrases in 34 subjects
Air defense6
Artificial intelligence1
Astronautics1
Automobiles1
Aviation5
Bridge construction1
Communications2
Compressors3
Earth sciences1
Economy3
Electric machinery7
Electricity generation1
Electronics28
Exhibitions1
General2
Geophysics5
Hydroelectric power stations10
Information technology10
Management1
Metallurgy9
Multimedia8
Nuclear and fusion power1
Oil / petroleum2
Piezoelectric crystals1
Plastics2
Polymers1
Power system protection1
Rail transport17
Shipbuilding2
Space9
Steel production1
Technology43
Telecommunications8
Wind Energy9