而过大的旁承间隙又使旁承在侧滚回复力矩不足时不能有效抑制车体的侧滚。
If the side bearing gap is too big, it will not restrain efficiently the rolling of car-body when roll restoring moment is not sufficient.
橡胶堆旁承作为机车二系悬挂的弹性元件，已在国内外铁路上得到了广泛的应用。
Rubber sandwich spring is widely used in the world as an elastic element of secondary suspension on locomotives.
分析了既有货车提速改造上旁承组装存在的问题及原因，并提出了相应的解决措施。
The problems existing in reform of the upper side bearings assembly on present freight cars and the causes are analyzed.
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