screening varnish

例句：

1. 1. The finishing process for the wooden furniture involves applying a screening varnish to protect it from moisture and dirt.
   给木制家具的涂装过程包括在保护它免受湿气和污垢侵害之前应用底漆。
2. 2. Before painting the walls, it's important to apply a screening varnish to ensure that the paintadheres properly.
   在粉刷墙壁之前，重要的是要施加底漆以确保油漆能够牢固附着。
3. 3. The screened varnish on the window frames is an essential part of the protective coating, preventing scratches and fading.
   窗户框架上的筛选漆是防护涂层的重要组成部分，防止划痕和褪色。