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дополнительный угол stresses
avia.	angle complémentaire
geom.	complément d'un angle (до 90)
math.	complément d'un angle
meteorol.	angle supplementaire
tech.	angle supplémentaire
дополнительный до 90° угол
automat.	angle supplémentaire

дополнительный угол: 10 phrases in 5 subjects

Aviation	1
Gear train	1
Mathematics	1
Military	3
Technology	4