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педальный регулятор stresses
med.	pedal switch
med.appl.	pedal regulator; foot regulator
textile	evener motion (трепальной машины); link regulator; pedal feed motion; pedal lever; pedal regulating motion; self-acting piano link regulator; piano feed motion
textile, Makarov.	piano feed regulator

педальный регулятор: 4 phrases in 3 subjects

Technology	1
Textile industry	2
Welding	1