Surfaces to be welded or thermally cut shall be cleaned of all foreign material such as grease, oil, dirt, scale, slag and paint that would be detrimental to either the weld or base material.

需焊接或热切割的表面应排除所有可能会损坏焊材或母材的杂物，如脂、油、灰尘、水垢、熔渣和油漆等。

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The next step in these areas is to apply the base paint.

下一步在这些领域是申请的基础上油漆。

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This is a paint with an oil base.

这是一幅以油彩为主的绘画。

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Using white primer as a base underneath the paint to make hues of all kinds brighter is another trend on the rise.

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The debate was won hands down by McConnell and Zittrain mostly because they stuck to the topic while the Schneier-Rotenberg team attempted to paint a picture of a power and money grab on the part of the defense-industrial base.

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