其厚度一般较厚，常利用于复合地板、线条的贴面材料，也可以用于家具制造。
It is normally thick, used as the compound floor, facing material of line, or furniture making.
简单来说，电镀就是需要在钢铁材料的表面镀上一层较厚的铬镀层。
In simple terms, plating is required in the surface of the iron and steel materials to be plated with a layer of chromium coating.
而其下层金属膜一般较厚，用以隔绝镀膜衬底材料对波导结构的影响；
On the contrary, the base metal film is usually thicker to block the light from leaking into the substrates.
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