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。
After a little wet sanding I let the top dry and shot it with some primer to look for holes in the filling.
由于气流实砂具有一系列显著优点，它已成为新一代的湿砂紧实工艺。
As air compacting sand has a lot of remarkable advantages, it has become the new generation of the technology of compacting green sand.
今天早上，我提出了几个优良的大衣，引上，然后做了一些湿砂从400到600沙砾沙砾。
This morning I put a few fine coats of primer on and then did some wet sanding from to 400 grit to 600 grit.
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