The title paper introduces the development of polyurethane primer surfacer with high filling power and compares with the likes in practical application.
介绍了高填充性聚氨酯二道底漆的研制过程,并在实际应用中与同类产品进行了比较。
After a little wet sanding I let the top dry and shot it with some primer to look for holes in the filling.
后一点湿砂我让最缺水和枪杀,这与一些引物,寻找漏洞,填补。