Differential gear, in automotive mechanics, gear arrangement that permits power from the differential gear china engine to be transmitted to a pair of generating wheels, dividing the force equally between them 
but permitting them to follow paths of different lengths, as when turning a corner or traversing an uneven road.
differential gear
Tags:
FR 
EN 
ES 
PT 
AR 
ID 
KO 
IT 
DE 
ZH 
JA 
RU 
BG 
ZH-TW