Rubber sandwich spring is widely used in the world as an elastic element of secondary suspension on locomotives.

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。

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Rubber sandwich spring is widely used in the world as an elastic element of secondary suspension on locomotives.

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。

youdao