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air-cooled triode
abbr., electr.eng. act
air-cooled triode
: 62 phrases in 16 subjects
Antennas and waveguides1
Chemistry3
Earth sciences3
Electric motors2
Electronics8
Energy industry2
General2
Industry1
Laboratory equipment1
Materials science1
Mechanic engineering19
Metallurgy3
Municipal planning1
Technology10
Transport4
Welding1