求翻译：本文介绍了一种大量用于国内地铁的新型轨道减振器，该减振器在胶料配方上以天然胶为主体，采用炭黑与白炭黑原位接枝改性技术，是什么意思？

This article describes a large number of new domestic subway track shock absorber, the shock absorber in the compound formula of natural rubber as the main, the use of carbon black and silica in situ graft modification technology

This article presents a great deal for the new track domestic subway vibration dampers to the shock absorber in the recipe for natural rubber as the main body and a charcoal black and white carbon black to the Sticks, modified technology

This article introduced one kind uses in the domestic subway massively the new orbital shock absorber, this shock absorber in the sizing material formula take the natural gum as a main body, uses the carbon black and the white carbon black home position stem grafting modified technology,

This article describes a large number of new type rail vibration absorber for domestic Metro, the shock absorbers on a rubber compound formula with natural rubber as the main, carbon black and white carbon black grafted modification technology of in situ,

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