The anti-wear surface of building ground.

建筑地面的抗磨面层。

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The results showed that the additive had evident repairing action and formed repairing layer on the wear surface.

结果表明：所制备的修复剂对磨损表面具有明显的修复作用，形成了修复层。

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The wear surface morphologies were surveyed by scanning electron microscope (SEM) and wear mechanism was analyzed under the sand slurry wear condition.

运用扫描电镜观察了这几种材料在泥沙磨损条件下的磨损表面形貌，分析了它们的磨损机理。

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While most brass pens are heavily lacquered to preserve their lustre, the Hatch is finished with just a thin coat intended to wear away quickly, leaving the hygienic surface exposed.

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But an exceptionally dry surface started to show signs of wear after just a couple of overs, courtesy of Peter Siddle's bustling footmarks, and by lunch repairs usually made much later in a Test match were being carried out by the ground staff.

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