化学腐蚀形成台面提高反向击穿电压；
Using chemical mesa etching to increase the breakdown voltage.
应用：有防化学物质腐蚀要求的实验室台面，橱柜表面及其它有防化学物质腐蚀要求的装饰性水平或垂直表面。
Application: has the chemical corrosion requirements of the laboratory, ambry mesa surface and the other has the chemical corrosion requirements of ornamental horizontal or vertical surfaces.
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