交叉支撑装置是提速货车转向架的关键部件之一。
Cross sustaining device is one of the key parts of speed increased freight car bogies.
交叉支撑装置可以提高转向架的抗菱刚度，从而提高了车辆的运行速度。
Bottom frame brace system was imported from SCT and it intends to increase the anti-warp performance so that the freight car operating speed can be raised.
介绍了转8a型转向架加装侧架下交叉支撑装置的改造过程及改造中应注意的问题。
Described are the reform process in which the Zhuan 8a bogies are added with crossed devices under side frames, as well as points which should be paid attention to in the reform.
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