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зубцовая гармоника stresses
el.	slot ripple
tech.	tooth harmonic
зубцовые гармоники
el.	tooth kink
electr.eng.	slot ripple; tooth kinks; tooth ripple
tech.	slot ripples; tooth harmonics; tooth ripples; toothed harmonics

зубцовая гармоника: 5 phrases in 4 subjects

Electrical engineering	1
Electronics	2
Technology	1
Transport	1