求翻译：镀锌板、热镀铝锌板、电镀锌板等为基板，经表面预处理（化学脱脂及化学转化处理）之后，在表面涂敷一层或几层有机涂是什么意思？

Galvanized sheet, hot galvanized plate, electrical galvanized sheet for the substrate, the surface pretreatment (chemical degreasing and chemical conversion treatment), the surface coating layer or layers of organic coated

Galvanized, Hot Plate, aluminum-plated zinc electroplated zinc plate as a base plate, such as the surface pre-treatment (chemical absorbent and chemical conversion process), on the surface coating a layer or layers organic coating

The galvanized sheet, aluminum-plates the zinc plate, the galvanization zinc plate and so on is hotly a foundation plate, after superficial pretreatment (chemistry degreasing and chemistry transformation processing), paints or several in the surface spreads organically

Galvanized steel plate, hot-dip aluminum plating on zinc plate, zinc plates, substrates, surface preparation (degreasing and chemical conversion of chemical processing), the surface is coated with a layer or several layers of organic coated

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