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ступенчатая зубчатая передача stresses
automat.	stepped ratio gear transmission (ssn)
mech.eng.	cone of gears
mech.eng., obs.	stepped wheel gear; variable speed wheel gear
mil.	variable-speed wheel gear
O&G, oilfield.	stepped wheel gear drive
plast.	variable-speed gear
tech.	cone of gears variable-speed gear; cone of gears variable-speed wheel gear; variable-speed wheel gear