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опорный каток stresses
construct.	galet de roulement; galet porteur
mil.	galet m (танка vleonilh)
mil., arm.veh.	roue de franchissement; rouleau d'appui; servante f
tech.	rouleau d'appui; rouleau de franchissement
trucks	galet de support; galet inférieur

опорный каток: 10 phrases in 4 subjects

Armored vehicles	5
Military	1
Technology	1
Trucks/Lorries	3