These lifters feature an exclusive body design that does not include an oil band, maximizing rigidity and reducing lifter bushing wear.

这些选手采用独特的车身设计不包括石油带，最大限度地提高刚度，减少套管磨损升降。

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The invention discloses an alloy coating bushing which comprises a steel backing layer, a substrate layer, a nickel grid layer and a friction-reducing layer which are sequentially arranged.

本发明公开了一种合金镀层轴瓦，包括依次设置的钢背层、基底层、镍栅层和减摩层。

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