A coat of primer should be made over the bare surface before the main painting.
A coat of primer should be made over the bare surface before the main painting.
在喷涂主漆前，应在物品的表面刷一层底漆。
A coat of primer should be made over the bare surface before the main painting.
在喷涂主漆前，应在物品的表面刷一层底漆。