Coating refers to a chemical that is applied to the outside of something to protect it.

涂层是用来涂在物体外部保护物体的化学物质。

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The surface preparation as described in Section 4 shall apply if the additional layer is applied outside the manufacturer's recommended maximum over coating period.

如果额外涂层的涂敷时间超出厂商推荐的最大涂敷期限的话，应进行第4部分提到的表面预处理。

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This approach is often used to entice you into doing things that are visible from the outside like roof repair, painting, window caulking, deck restoration, driveway coating and chimney repair.

这种方法通常用于引诱做的事情，是从外部看不到像屋顶修理你，绘画，窗口嵌缝，甲板恢复，车道涂层和烟囱维修。

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A protective coating of colloidal silver is painted on the inside and outside of the filter to kill bacteria.

VOA: special.2009.06.22

The cladding is a weatherproof coating applied to the outside of the buildings which is a few millimetres thick, a housing association spokesman said.

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The outside, with its woody shell and velvety green coating, admittedly offers the more attractive vista.

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