power train.

listen to the pronunciation of power train.
Английский Язык - Турецкий язык
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Английский Язык - Английский Язык
An assembly of gears and associated parts by which power is transmitted from an engine to a driving axle
wheelwork consisting of a connected set of rotating gears by which force is transmitted or motion or torque is changed; "the fool got his tie caught in the geartrain"