基层上的节疤、松脂部位应用虫胶漆封闭，钉眼处应用油性腻子嵌补。

Base on the knots, application of shellac varnish resin parts closed, oily putty inlaying nailhole place application.

youdao

基层上的节疤、松脂部位应用虫胶漆封闭，钉眼处应用油性腻子嵌补。

Base on the knots, application of shellac varnish resin parts closed, oily putty inlaying nailhole place application.

youdao