词形(regular plural) A-arms
(Automotive engineering: Vehicle components, Brakes, steering, wheels, tires, and suspension)
The A-arm suspension consists of a pair of upper and lower lateral arms.
The standard suspension set-up at the front of the vehicle is MacPherson struts with
lower A-arm and anti-roll bar.
The suspension is superb - an independent double A-arm set-up at the front and a five-link solid axle in the rear.
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