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реле с независимой выдержкой времени stresses
automat.	independent time relay (Yeldar Azanbayev)
el.	definite time relay
mech.	independent-time measuring relay
tech.	independent time-measuring relay; definite-time-lag relay; independent time-lag relay; definite time-lag relay

реле с независимой выдержкой времени: 4 phrases in 3 subjects

Electrical engineering	2
Oil and gas	1
Technology	1