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cor primária adj.
radio الونأولى
primária: 129 phrases in 23 subjects
Antennas and waveguides3
Ecology1
Electric motors4
Electric traction1
Electricity generation2
Electronics2
Environment4
International Monetary Fund41
Lighting other than cinema2
Magnetics1
Mathematics2
Microsoft22
Physics1
Power lines18
Radio7
Radiology2
Reliability2
Satellite communications1
Telecommunications1
Telegraphy1
Telephony1
Transformers9
Vacuum tubes1