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   Polish
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to phrases
czynny adj.
gen. مفتوح
el. فعال
el.mach. مكهرب
czynny
: 42 phrases in 20 subjects
Accumulators2
Antennas and waveguides2
Electric machinery2
Electric motors1
Electrical engineering1
Electricity generation1
Electronics9
Environment4
Isolation1
Lighting other than cinema2
Physics2
Radio2
Radiobiology2
Radiology1
Rail transport1
Reliability2
Sound recording2
Telecommunications1
Vacuum tubes3
Wind Energy1