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一、引言目前,我国货车转向架的弹簧悬挂装置,除了用于机保车上的73型转向架采用两系悬挂外,其余的几乎全为一系悬挂。这里所说的一系悬挂是指转向架上的弹簧悬挂装置,
I. INTRODUCTION At present, the spring suspension device of the truck bogie in our country adopts the suspension of two series in addition to the 73 bogie used on the truck. Here a series of suspension refers to the bogie spring suspension device,