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1·Reliability- The process fluid flows through the trim, flushing away solid deposits above and below the guide bushing , thus reducing the possibility of a sticking valve plug.

可靠性过程流体流动，通过修剪，冲掉上述固体存款和指导下套管，从而减少了一贴阀芯的可能性。

2·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。

3·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。