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отклонение от плоскостности stresses
automat.	flatness deviation; flatness error; nonflatness; out-of-flatness; run-out flatness
construct.	flatness fault; non-flatness
metrol.	lack of flatness
tech.	flatness fault (стекла)
отклонения от плоскостности
automat.	departures from flatness

отклонение от плоскостности: 5 phrases in 3 subjects

Automobiles	1
Metrology	3
Transport	1