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упорный adj.stresses
gen. natarczywy; na upartego; notoryczny; uparty; uporczywy; wytrwały; zacięty; zawzięty
tech. oporowy
упорный
: 156 phrases in 17 subjects
Agriculture1
Architecture2
Automobiles1
Construction6
Electrical engineering2
Electronics1
Foundry2
General3
Informal1
Machine components56
Metallurgy1
Mining8
Pulp and paper industry1
Technology68
Telemechanics1
Telephony1
Textile industry1