求翻译：如沉铜前处理刷痕试验，实际宽度不到1cm,记录1.3cm. 而且磨痕测试板磨痕带的铜已经严重磨损，一面已经看到基材显露。是什么意思？

Before handle Shuahen test such as PTH, the actual width of less than 1cm, the record 1.3cm. And wear scar test plate wear scar with copper have serious wear and tear on the one hand see the substrate revealed.

As with the copper sink brush marks tests, the actual width less than 1 CM, 1.3 CM, and they grind marks test board with the copper mill marks have been worn, and a substrate that has been revealed.

If sinks in front of the copper to process the brush mark experiment, the actual width does not arrive 1cm, records 1.3cm. Moreover the polishing scratches measured the test plate polishing scratches belt the copper already was serious wears, at the same time already saw the parent metal appearance.

Immersion copper brush marks before testing, the actual width of less than 1cm, 1.3cm records. But galling test plate mill of trace amounts of copper are badly worn, one side has seen the substrate surface.

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