当对板面的平滑度，光洁度要求较高，在装饰之前可先对板面进行全面抹灰，再用打磨机砂光，然后进行涂饰面处理。

There is a strict requirement toward the smoothness of the plate surface. Before decoration process begins, the board should be sanded with sanding machine and then grinded completely.

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当对板面的平滑度，光洁度要求较高，在装饰之前可先对板面进行全面抹灰，再用打磨机砂光，然后进行涂饰面处理。

There is a strict requirement toward the smoothness of the plate surface. Before decoration process begins, the board should be sanded with sanding machine and then grinded completely.

youdao