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контактный электровоз stresses
geol.	over head wire locomotive; overhead wire locomotive
mining.	overhead wire loco; overhead wire locomotive; trolley loco; trolley-electric loco; trolley-electric locomotive; overhead wire loco
tech.	trolley locomotive; trolley-wire locomotive

контактный электровоз: 13 phrases in 4 subjects

Gold mining	1
Mining	9
Rail transport	2
Technology	1